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Operator
Good day, ladies and gentlemen, and welcome to the TripAdvisor fourth quarter and year-end 2012 conference call. At this time, all participants are in a listen-only mode. Later we will conduct a question-and-answer session, and instructions will be given at that time.
(Operator Instructions)
As a reminder, this call may be recorded. I will now introduce your host for today's conference, Mr. Will Lyons. You may begin.
- Senior Director of IR
Thank you, Ashley. Good afternoon everyone, and welcome to TripAdvisor's fourth quarter and year-end 2012 earnings conference call. I'm Will Lyons, Senior Director of Investor Relations for TripAdvisor, and joining me on the call today are our CEO, Steve Kaufer and our CFO, Julie Bradley.
Before we begin, I'd like to remind you that the estimates and other forward-looking statements included in this call represent the Company's views as of today, February 13, 2013. TripAdvisor disclaims any obligation to update these statements to reflect future events or circumstances. Please refer to today's earnings release and TripAdvisor's filings with the SEC for information concerning factors that could cause actual results to differ materially from those expressed or implied by such statements.
You'll also find reconciliations of non-GAAP financial measures to the most comparable GAAP financial measures discussed on our call in our Q4 earnings release, which is available on our IR site, ir.tripadvisor.com. Finally, unless otherwise stated, all references to selling and marketing expense, general and administrative expense, and technology and content expense excludes stock-based compensation, and all comparisons on this call will be against our results for the comparable period in 2011. With that, I will now turn the call over to Steve.
- CEO
Thank you Will, and welcome everyone. The fourth quarter closed out a great 2012, a year in which we made wonderful progress along our growth initiatives. We drove strong member and content collection across our increasingly global footprint. We invested in our social and mobile offerings to enhance brand awareness. We laid the foundation for growth in our business listings and vacation rentals products, and we continued to innovate the TripAdvisor platform for our users and customers alike. For the quarter, as expected, revenue and adjusted EBITDA growth accelerated, growing 23% and 17%, respectively. TripAdvisor hotel shoppers grew in the mid-30%s, driving 24% click-based revenue growth. For the year, over 30% hotel shopper growth drove 20% total revenue growth, 18% click-based revenue growth, and 9% adjusted EBITDA growth. Strong results in light of the substantial revenue headwinds and our ongoing commitment to invest for the long-term. Julie will discuss our financials and outlook in more detail shortly.
On the consumer side, we are pleased to see continued strong traffic growth around the globe. Specifically, according to our logs, total monthly unique visitors to TripAdvisor branded sites grew approximately 45% in the fourth quarter, with Asian Pacific leading the way at over 75% growth. Over 60% of our traffic originates from outside of the core US and UK markets, and in 2013 we are focused on enhancing the TripAdvisor brand in these markets amassing more local language content to drive more user growth and engagement. While we continue to grow hotel shoppers fastest in newer international markets, we are also seeing healthy growth in the US and UK, despite their relative maturity, showing that there's headroom even in our most established markets.
As it relates to our social initiatives, according to AppData, TripAdvisor's Facebook app reached the number one spot in terms of monthly active users in late Q4, and was the only travel app in the top 20. During the year, we more than doubled our members acquired through Facebook, helping us grow marketable members nearly 100% year-over-year to 44 million. Currently 35% of our new reviews are coming from Facebook-connected members, and we're rapidly closing in on our 100 million reviews and opinions milestone. Rich, user-generated content is the lifeblood of our business, and our travel community is on pace to add more than 30 million contributions in 2013. In January, we e-mailed all 2012 contributors, thanking them for their reviews, the photos, the room tips, the forum posts, all the things that make our site better and better every day. Leveraging social and community remain a key piece of our membership and brand growth strategy.
As it relates to our mobile initiatives, we greatly improved our smartphone user experience by rolling out a new meta display to all smartphone traffic in Q4. We doubled our smartphone and tablet app downloads to more than 31 million, and our 45 million average monthly mobile uniques in Q4 was up 190% year-over-year, according to our log files. Additionally, we launched 20 new free City Guides across iOS and Android, bringing our coverage to 80 cities. To give you a better sense for the mobile growth we're experiencing, over the past year, TripAdvisor phone and tablet traffic have each doubled, each now accounting for approximately 10% to 15% of our sessions. Smartphones currently account for less than 5% of our click-based revenues, whereas tablet now accounts for approximately 10% to 15% of revenues. We don't expect the phone's monetization rate to improve materially in 2013, but we are okay with that, given that it's more of an in-market tool for travelers. We anticipate continued traffic and revenue growth on mobile devices in 2013, and enhancing our mobile presence remains a top strategic priority.
Shifting gears. On the partner side we have been providing rank reports to test clients and bid recommendation reports to a broader set of clients, and we are working on adding functionality that will allow them to update their bids more frequently. On the whole, we are pleased with the progress we've made migrating the bidding platform to a more transparent, dynamic system that makes it easier for partners to spend more on TripAdvisor. We've entered 2013 with great momentum from all of these initiatives, and true to our speed wins philosophy, we're innovating quickly to build the best experience for every user on every device in every geography. To that end, on the heels of a full meta rollout to smartphone traffic in Q4, we have begun integrating our meta display into all tablet and desktop sessions. We believe that pairing meta search capabilities with our best-in-class user-generated content provides a superior user experience. Hotel shoppers can price compare without leaving TripAdvisor, resulting in higher quality leads for partners.
Barring unforeseen circumstances, we expect to complete this transition in the next three to six months, and despite revenue headwinds in the first half, we are cautiously optimistic that this change, once complete, will end up being revenue neutral to TripAdvisor monetization. It goes without saying that meta is an important and exciting change for our business. Now to be clear, with 45% Q4 traffic growth and mid-30%s hotel shopper growth, the business is obviously in great shape, even in our world of large numbers. But with our new price shopping value proposition, we feel the time is now right to be even more aggressive, and begin a global offline marketing campaign, which we expect to kick off sometime in Q3. Complimenting TripAdvisor's permanent branding campaign, the awards, the certificates, stickers, badges that many of you see in hotels and restaurants and attractions and travel websites all around the globe, a meaningful offline marketing campaign can showcase TripAdvisor's value and help build a more far-reaching, indispensable travel brand.
We will approach this offline campaign with the same iterative test-and-load process as we do with our other major initiatives, as we look to measure and quantify the results in each market. Also, the outlook that Julie will describe shortly does not contemplate a meaningful lift in repeat visits or traffic from the offline spend, so that could provide some upside from a traffic and revenue standpoint. In light of this new branding investment, we are forecasting that expenses will grow faster than our revenue this year. This is squarely aligned with our stated objective to prioritize long-term revenue growth over expanding profit margins.
In summary, the fourth quarter capped a great 2012, and I want to extend a special thanks to all of the TripAdvisor Inc employees around the globe who set the stage for an even better 2013. Before I close, I'd also like to extend a thank you to Barry Diller for his leadership as Chairman over the years and formally welcome our new Chairman, Greg Maffei. Liberty has participated on our Board since the spinoff, and the management team and I look forward to further deepening that relationship. I'll now turn the call over to Julie, who will provide some color on the Q4 results, as well as our financial outlook.
- CFO
Thanks Steve, and good afternoon everyone. Driven by strong hotel shopper growth and our click-based business, Q4 came in a little better than we had expected, with revenue and profit growth accelerating to 23% and 17%, respectively. Assuming constant currency, revenue would have been 1% higher. Our Q4 click-based revenue was up 24%. When comparing to hotel shopper growth in the mid-30%s, lower year-on-year pricing from Expedia and other partners due to macro weakness and FX is the main driver of why click-based revenue did not track closer to hotel shopper growth. Additional factors also include increasing international and phone traffic, our meta roll-out on smartphones, plus impacts from Hurricane Sandy, all of which are much harder to quantify independently.
More importantly, 2013 has gotten off to a great start. We are seeing strong hotel shopper growth and better year-on-year pricing. We believe that this is at least partially due to an improving European landscape and higher quality traffic. As it relates to geographic mix, non-US revenue was 50% of total revenue during the quarter, which was consistent with Q3, and up slightly from 48% in the fourth quarter of 2011. As a housekeeping note, starting on our Q1 2013 earnings report, we will disclose geographic revenue breakout by region, North America, EMEA, LATAM, and APAC, which is more consistent with how we measure the business internally, as opposed to US, UK, and Rest of World. Of course, we will also provide historical quarterly information on our metric sheet back to 2010.
While year-over-year click-based comps eased in Q4, the opposite was true for our display business. Display-based revenue was down 3% year-over-year, due to a tough Q4 2011 comp, driven by a large buy that did not reoccur. However, due to our continued geographical diversification for this product, we are forecasting the business to return to year-over-year growth in 2013. Subscription, transaction, and other revenue, which includes business listings, vacation rentals, and our transaction businesses had a good Q4, growing 56%. In business listings, we closed 2012 with more than 50,000 subscribers, up more than 40% year-over-year, and have a strong global sales force in place to drive growth in 2013.
On the vacation rental side, we saw listing and inquiries accelerate in the back half of the year, driven by increased visitor demand and healthy renewal rates. Travelers can now research more than 300,000 properties in more than 160 countries. We have also launched a couple of payment systems to promote a more satisfying and frictionless booking process. Our fast growing global traffic brings a unique value proposition to property owners, and in 2013 we will continue to expand our service offerings in these areas. As expected, overall expenses for the quarter increased as a percent of revenue, primarily due to how revenue seasonality impacts our largely fixed cost structure.
As we mentioned last quarter, we continue to increase direct marketing costs in Q4 in an effort to diversify traffic, expand internationally, and fuel user engagement through social networks. These remain important 2013 initiatives for us, as well as beginning to invest in a traditional offline marketing campaign. For full year 2012, depreciation and amortization, stock-based compensation expense, and CapEx each came in just under 4% of revenue. Stock-based compensation was higher than expected this past quarter, due to accelerated vesting for certain directors' equity, pursuant to changing control provisions. For 2013, we expect depreciation, amortization, and CapEx to be consistent with 2012, and stock-based compensation expenses to increase slightly to approximately 6% of revenue.
Moving on to taxes. Our Q4 GAAP effective tax rate was 31%, slightly lower than Q3, primarily due to geographic mix favoring lower foreign tax jurisdictions, and an international reorganization completed during Q4 that further helps the foreign tax rate differential. We expect our 2013 effective tax rate to be in the mid- to high-20%s, reflecting a full year's worth of benefit from the international reorganization.
With that, let me share some thoughts on 2013's outlook. 2012 faced several revenue headwinds, namely the site redesign, spin-related changes in Expedia pricing, and SEM changes. In terms of year-over-year revenue growth, 2012 headwinds abate, which we are seeing today in terms of on-site conversions and pricing. However, we do have a potential revenue headwind in 2013. Although we believe the meta transition will end up being roughly revenue neutral once complete, there most likely will be a modest near-term impact. We have assumed that the transition is mostly complete in the first half of 2013, and that for the full year total revenue growth and click-based revenue growth will be in the low 20%s. Our forecast for click-based revenue assumes continued hotel shopper growth and robust partner participation in our meta option.
In addition to the near term impact of meta, other potential revenue headwinds include a mix shift towards international markets and faster hotel shopper growth on smartphones, where we are seeing lower CPC pricing. Remember, hotel shopper growth can fluctuate widely in a relatively short span of time, making it very difficult to predict. But we believe that it should remain strong, given our growth plans and marketing initiatives. On the pricing side, there will be some volatility in the first half of the year, as partners realign their bids to match the better conversion they are seeing from our meta offering. To facilitate a smooth transition for us and our clients, we are allowing our clients to bid separately for smartphone traffic, the new desktop meta traffic, as well as our traditional desktop traffic. Conversion rates on our partner sites differ dramatically between these three types of leads. We believe it makes sense to allow our clients to bid separately for each type.
We expect display-based revenue growth in the high single digits, as macroeconomic concerns weigh on discretionary ad spend, and as we experiment with new ad products. We also expect full-year subscription, transaction, and other revenue growth in the low 50%s, driven by investment in our vacation rentals business and sales force productivity gains in business listings. On the expense side, due to our ongoing investment in traffic acquisition and diversification, social initiatives, as well as the introduction of an offline marketing campaign, we expect to see deleverage on the sales and marketing line throughout the year, particularly in the back half. We expect sales and marketing as a percent of revenue to progress from the mid-30%s to low- to mid-40%s as a percent of revenue throughout the year.
We expect tech and content will delever slightly throughout the year as we continue to acquire talent to pursue our technology initiative. And G&A as a percent of revenue should remain fairly consistent with 2012 levels, and show some slight leverage for the full year. As a result, we expect high single digit adjusted EBITDA growth in 2013, and expect higher margins in the first half of the year than the second half, due to the planned timing of our offline marketing campaign. Absent the offline marketing campaign, we believe full-year adjusted EBITDA growth would have grown in line with our expected 2013 revenue growth of low 20%s. In summary, TripAdvisor had a great 2012, and we have exciting plans for continued growth in 2013. We'll now open the call to your questions.
Operator
Thank you.
(Operator Instructions)
We ask that you ask one question and one follow-up question.
(Operator Instructions)
Our first question is from Lloyd Walmsley of Deutsche Bank. Your line is open.
- Analyst
Wondering if you can just talk a little about the shift to meta search and meta display, and mechanically how you expect that to work. Is it still going to be primarily CPC-based revenue model, or will there also be some rev sharing? And then as you think about kind of effective take rates in that model, is there any reason why you don't think they could go up as you're delivering more qualified leads to clients, as opposed to the neutral-ish guidance you talked about?
- CEO
Sure. Excellent question, and on the minds of many, I'm sure. So we expect to remain in a mostly CPC, cost-per-click, based environment. We're certainly open, and with some clients we'll have some component of their traffic being paid for on a rev share basis when it makes sense for them and when it makes sense for us. At the end of the day, we believe we have a tremendous number of hotel shoppers coming into the top of our funnel, and meta really don't change any of that. So what it does is it enables that visitor to do a bunch of price shopping while staying on TripAdvisor, which in fact doesn't generate any click or any revenue event for us. But when the client, or when the traveler, does in fact click over to a client, they're qualified by the hotel they were looking at being available, and it being a price that they can afford.
We've had years of experience with this in our flights product, which has been meta for many, many years. There's no doubt in our minds, because we've seen the data from many clients, that the downstream conversion of these travelers as they land on our client's sites, they're much more ready to book. So the question in our mind truly comes down to, we know we will generate fewer clicks from our website to our client's. We know that those leads will convert at a much higher rate. If in fact those two numbers balance, for instance if we send a third less leads that convert at 3X the conversion rate on the part of the client's site, then we're even assuming neutral pricing, i.e., price goes up 3X because our clients get 3X the benefit.
Our clients always have measured us on how many bookings we've actually delivered. So if the higher quality leads delivers the same number of bookings, it works for all parties. Finally, we talked a little bit about our caution in the transition, because it's very natural, and we've started to roll it out, to send these new leads over that are much higher qualified, and clients are clearly, as evidenced in our test, willing of to pay much more for them. But to be fair, they need to have some time to measure that the conversion is in fact 3X, or 4X, or whatever the numbers might be, in order to justify to themselves that it's worth paying that much more for the leads.
And then, of course our system is an auction one. So we're not dictating the prices to our clients. They're bidding up the prices, and a bid-up in an auction depends upon how many people are interested in those leads. So we need the full auction dynamics to be in effect. From our test environment, from the percentage of traffic that we've given on desktop and combined with our months of experience on mobile, we see it happening, and we expect it to come to a very positive fruition. At the end of the day, positive or negative, we just don't know yet.
- Analyst
And as a follow-up, I was just thinking, is there a way you can help us quantify the opportunity from the improved user experience around meta to close the gap between hotel shoppers and unique users? So in other words, as the experience improves what kind of percent of your traffic is actively already hotel shoppers that could perhaps -- and versus the percent that's not, that could be converted into hotel shoppers from the better user experience? Is there any kind of color you could provide there?
- CEO
Sure. I'm not sure I'd look at it that way. In general terms, I can give you the guidance that you can think of it, about 0.5 of TripAdvisor's traffic is in hotel shopping mode and 0.5 is doing other stuff. It varies. There's lots of puts and takes there. But it's a ballpark number you can hang onto. While we think meta will absolutely increase the number of people that enjoy the experience of hotel shopping, and therefore tell their friends am come back and use TripAdvisor as the first place they go to plan that trip, I'm not convinced, or rather we didn't build meta in order to get folks who are looking at restaurants or attractions over into the hotel shopping funnel. We have a lot of personalization efforts, we have a lot of cross-sells, obviously we do a lot with all the traffic that comes to the site, but if you're looking for a restaurant fundamentally there's no way I'm going to get you interested in a hotel, no matter what the commerce technology is.
Operator
Thank you. Our next question is from Nat Schindler of Bank of America-Merrill Lynch. Your line is open.
- Analyst
Yes. Hi. Thank you. You mentioned that less than 5% of your click-based revenue comes from smartphones. But as I understand it, it wasn't at all monetized prior to meta. So was the launch of meta, all of that revenue from smartphones this quarter? And all incremental to Q4 results?
- CEO
No. No, we actually had what we call our classic version on the phones where you'd enter your dates for the hotel, and we would show you the logos of our providers, and you'd click on a logo, and you'd open up another web page, and land on that site. It was just an incredibly painful experience on that very small screen real estate. So shifting that experience to the phone wasn't actually, to the best of my recollection, revenue negative at that point, but we didn't feel it was a true reflection of desktop, again because the experience was particularly painful on the phone. So we think of that as just more of a better conversion, and the growth in mobile was truly growth in traffic based as opposed to the meta switchover.
- Analyst
Okay. One more question on meta. When we last spoke about meta, you discussed it being launched on the desktop throughout all of 2013, largely to minimize the risk of a revenue hit. Is there any -- sounds like you have sped up the timetable on this. Is there a reason why you have, and what have you been seeing from your initial test that kind of drove you to do that?
- CEO
Well, I'm not sure I'd ever talked about a specific time frame. We had said earlier that we had begun testing meta, and as we've tested it, certainly we feel the experience is significantly better. We've gotten our clients onboard with the new bidding model, the new pricing, and we've seen the benefits of the conversion. So it's really about that user experience that has gone so well, and the fact that the technology is in place now that it's, I guess you could say we've been able to speed it up, but I think we've always been interested in releasing it as soon as we can. The ongoing open question mark on the time frame is in part making sure our technology can scale, and in part making sure our clients have enough time to adjust their processes for buying traffic on TripAdvisor to this new model.
Operator
Thank you. Our next question is from Mark Mahaney of RBC. Your line is open.
- Analyst
Thanks. I think there was a comment made about demand trends in Europe picking up a little bit. Could you just clarify that a little bit? It seems a little at odds of what we're hearing in other places. Is there some particular region, part of Europe that seems to have recovered a little more quickly? Thank you.
- CEO
I guess it's always a little hard for us to tell how much is the good stuff we're doing versus macroeconomic picture. It might just be from our perspective more market stabilization. So the rest of our campaigns, our search engine optimization, our traffic purchases, our search engine marketing, allowing those efforts to kick in in a stronger basis. We have seen some growth worth mentioning in Continental Europe, and obviously we didn't really see much of a slowdown elsewhere.
- Analyst
Thank you, Steve.
Operator
Thank you. Our next question is from Scott Devitt of Morgan Stanley. Your line is open.
- Analyst
Thanks for taking the question. A few around the hotel shopper growth. Just wondering if you could talk through the drivers, or to the extent that I maybe missed them, of the acceleration to the mid-30%s in the fourth quarter. And then also Julie mentioned some of the factors of why the click-based revenue did not track closer to the hotel shopper growth. I think Expedia, and other partners due to macro weakness, and then FX. I was just wondering if you could bridge those for us. Then lastly, to the extent that you can share, embedded within your 2013 guidance what you're expecting for full year hotel shopper growth. Thanks.
- CEO
Sure. I'll try, Scott. A bunch of questions in there. So part of the hotel shopper growth rate, we believe has been the growing brand presence that we have around the globe. So it's getting harder and harder to travel to any tourist destinations, certainly, and not seen signs of TripAdvisor as you go. We think that's a nice halo effect that's coming right back, reflecting in domain direct traffic growth, as well as the harder to prove, but it is what we believe, growth in our search channels. So as people, for instance, do a travel-related search on Google and they see TripAdvisor in the result, because it's a brand that they saw a sticker on, or they saw a certificate of excellence in the hotel they last stayed at, or saw our label on a bus, or whatever it might be, more likely to click through. So we've seen growth in all of our major channels. The free ones, the paid ones, and some of it, again, we can only direct at the ongoing strength of the brand and the global nature of it.
- CFO
Sure. I'll take the second part of that. So when we were looking at click-based revenue up 24% compared to hotel shopper growth in the mid-30%s, the largest driver is year-on-year pricing. And I think the largest component of that is the rollout of the change in the Expedia pricing in Q4 of last year that was related to the spin. And also some of our other -- some partner pricing on a year-over-year basis, a little weaker I think tied to some of the macroeconomic weaknesses. On a positive factor on pricing is that sequentially we did see an increase in pricing, and then I listed off a bunch of other factors that are just frankly more difficult to quantify individually, but we did see an increase in international traffic, phone traffic that we've mentioned earlier, the fact that meta was rolled out on smartphones, and then probably to a lesser extent the impact of Hurricane Sandy.
Operator
Thank you. Our next question is from Tom White of Maguire. Your line is open.
- Analyst
Thanks for taking my question. Just wanted to see if there was any update on where you guys were in the rollout of the minimum bid pricing threshold for the CPC product. Maybe talk a bit about how you're setting those levels and what the feedback has been from your largest partners. Also on the offline marketing campaign, I guess I'm just sort of curious if you can elaborate a little more on why now. You've talked a bit in the past quarter or so and today about how your brand, the brand flywheel has been humming. Is the decision to do this around kind of expected or current increased competition in the meta search base? Thanks.
- CEO
Sure thing. So on minimum bids, we have rolled out to our major clients a, what we call property level minimum bids. It's part of our transition over to the meta space. And we're giving our clients some time to adjust, and the rules vary a little bit in terms of what happens if a client has a bid that is below the minimum level. We want to work with our major clients. You have to -- we certainly appreciate, and the world needs to appreciate, that we're trying to often manage bids on tens or hundreds of thousands of properties with different bids, depending on where the traveler lives in the world. So it might be 100,000 properties times 20 different locales, each locale being worth a different amount in terms of a click from that client, and now we add on our request, our ability to let clients bid at a mobile level, or I should say a phone level, a desktop classic level, and a desktop meta level.
So it's a fair amount of complexity. Minimum bids are rolling l out, have rolled out on the meta side of things, desktop meta, because that's where our world is going, and the client reaction has been fine. We just want -- clients just want to make sure that they're reasonable, and in general if they can't afford to bid at the minimum level, they probably weren't getting any traffic anyways, because even in our old auction, if we had five or six players and you were number six, it wasn't a particularly meaningful property for you anyways. So I don't actually think the rolling out the property level minimums affects the folks who are active in the auction very much, and it's a little sort of protection-slash-bidding control in what we call the long tail of the properties. In building a model and trying to evaluate how that's going to affect our clients,
I wouldn't think it would be particularly meaningful. In terms of the offline, it's an excellent question. To paraphrase, hey, you haven't really done offline advertising before. Why now? Our answer is, we've been considering it for quite some time, but we've always come to the conclusion of wow, that brand flywheel, as we've called it before, it's humming along great, and we have some tremendous traffic growth, and when we're talking about visitors in the hundreds of millions a year, and all of a sudden it's at a 45% growth rate at that scale, holy cow, that's just an awful lot of traffic coming to the site. Some inside the Company can take the position, have taken the position, great, it's doing just fine on its own, why bother?
Others, and I'm in the other camp at the moment, have said look, we have a brand-new value proposition with this price shopping. It's really good. We have a couple of existence proofs out there in terms of the other meta search players that just have the price shopping, and have made a name for themselves with generally offline advertising. Great, congrats to them. It shows in our mind that that message all by itself resonates with consumers, and TripAdvisor now has that, or will soon have that rolled out globally. So we take that price shopping messaging, combine it with an incredible value proposition around finding the best hotel.
So take the best hotel, and our ability to find the best price on the Internet for that hotel, and wow, that's a great message that frankly we just want to tell the world about much sooner than they would find out about it on their own on TripAdvisor. So as I've maintained, we're in it for long-term growth, and by going with an offline campaign, a global offline campaign, we feel we can accelerate that growth in the comings years. Now we haven't baked any of that in this year. If we do a great job out of the gate, hey, we can look for some revenue upside from that. But it is something that we believe is right for the business, and the existence proof's out there saying an offline campaign does work for that message amongst our target audience. So it's pretty natural at this point for us.
Operator
Thank you. Our next question is from Laura Martin of Needham & Company. The line is open.
- Analyst
So I was really fascinated by your comment, Steve, about your Facebook growth. Could you talk about both strategically how you think about Facebook versus Google and your revenue mix, and also economically, does it save money as you move traffic acquisition over to Facebook, please?
- CEO
Sure. Thank you, Laura, for the question. Facebook has so many parallels to TripAdvisor as a company in the sense that it's very global, it is social, and it occupies yet quite a different space. So for us to be able to reach a global audience, global online audience, they're a search marketing, great. We know that. We've mastered that, and it's a major channel for us. And then there's Facebook, and this is a channel that very few people, when we look around for examples of who's mastered this channel, it's very hard to find companies that have really done extremely well, other than the game companies that have built a business on Facebook. We really haven't built our business on Facebook, but we figured out this great way to tap into that audience.
And so it's our ability with the instant personalization, with our TripAdvisor cities I've visited map application, we've touched hundreds of millions of Facebook users, or rather Facebook users have told their friends that they've been using TripAdvisor, which is just fantastic social proof. So it's been a membership vehicle for us. It's been a content contribution vehicle for us. It hasn't been much of a traffic acquisition vehicle for us yet, but we really like the direction that Facebook is headed with their Facebook exchange and the other improvements to their advertising network.
So we look forward, and we're working pretty closely with Facebook to see how we can spend more, how we can do more with Facebook to get the travelers who are spending time on their network over to TripAdvisor to plan their trip. I call the partnership excellent. It really helps both companies. They love the vertical company like TripAdvisor that helps explain why wisdom of friends is a good thing. We love the social proof that for travel helps other people plan their trips based upon where their friends have been. And I give the relationship an A-plus.
- Analyst
Very helpful. And my follow-up question is on the $250 million share repurchase. Could you talk through, either Steve or Julie, how you think about, are there targets you have to invest that capital in your shares, or how do you think about how you're going to spend that money that you've just allocated to us today?
- CFO
Sure. Thanks for the question, Laura. The Board did authorize up to a $250 million share repurchase program. The program is really aimed at allowing the Company to be opportunistic. As this being the first year as a public Company, we're continuing to just evaluate our optimum capital structure, and we just felt that a share repurchase program was an important element to have in place in order to optimize that capital structure.
Operator
Thank you. Our next question is from Mike Olson of Piper Jaffray. Your line is open.
- Analyst
Hey, good afternoon. Just following up on that marketing and social question. So you talked about how Facebook's an interesting channel, but more specifically, can you talk about how you'll weigh the balance between SEM and social in 2013? I think it kind of went back and forth to some degree in 2012, and then given your positive comments on Facebook, I guess will the focus be shifting more that way in the coming year, and then does the offline campaign impact any of the SEM or social initiatives?
- CEO
Sure, Mike. I don't you view them as kind of one or the other or shifting between. I look at maximizing each of the three, or in previous times two. So I charter the SEM team with grow, get me the best traffic you can, make it profitable, bring it into the TripAdvisor experience, buy me some trial, and do it in all markets, with sometimes different profitability metrics, depending on the market. Sort of nothing new there. It's just been a standard part of our playbook. Social, we've been investing for quite some time in adding the Facebook social elements to TripAdvisor, to make it a better experience when you're on our site. And at the same time, adding more social brand awareness through the Facebook viral mechanisms, which is really all about branding on that platform for us.
The team has -- both teams have grown in size, both teams have grown in spend. The social team, the Facebook team versus the SEM team. And if we can find cost effective ways of buying traffic from Facebook, we would love to do that. I would not expect it to take $0.01 out of our SEM budget, because they have unlimited budget to spend at the ROI I set for them, and same with the crew, with the folks trying to buy traffic on Facebook. If we can find a vehicle, hey, we'll do that all day long, so long as it meets our criteria. The offline spend is the first time where we're looking at a meaningful spend where we don't expect a positive ROI on it. And that's again to let the world know of this new value proposition, take a page out of some other folks' playbooks, but really the whole engine is humming so well now in so many markets that it's the ability to drop a little more fuel on the fire to get it going even faster, is the game plan, basically.
- Analyst
Okay. Then as far as daodao, given the intense pricing war in the online travel market in China, is that having any impact on your business there? What are you guys seeing in that market?
- CEO
Good question. I wouldn't say the pricing war is having too much of a challenge on our business. I guess there's a pro and a con to us. The pro is, hey, if it gets more people traveling because hotel rooms are cheaper, that's good, more people will discover us. It's a con in that the margins that the OTAs are playing with are a lot less, and therefore they can spend less on buying traffic from a site like daodao or [kushun]. So in general, we like healthy margins on the part of our clients.
So net-net, I guess I wish there weren't a price war. We're very happy that seatrip is the OTA. So seatrip plus elong plus the other guys are all advertising on our platform. So it's a nice competitive dynamic. Everyone's interested in the traffic we can send, and so like many of our markets, it's less a sales challenge for us and more a bus dev, how do we grow traffic, how do we grow the content on the site? Clearly, a phenomenally huge market, a lot, a lot, a lot left to do for us to turn it -- to deliver the potential that's there for us.
Operator
Thank you. Our next question is from Peter Stabler of Wells Fargo Securities. Your line is open.
- Analyst
Thanks. Two, if I could. So at risk of beating the marketing horse here, could you give us a little sense of how you're going to allocate your spend? It's pretty easy to spend substantial sums in offline media around the world. So can you give us a sense of the prioritization of markets? And then secondly, wondering if you could comment on whether the Facebook success has helped you create a bit of a virtuous circle in terms of getting more TripAdvisor visitors contributing content to the platform? I assume that is one of the primary goals as well. Thanks very much.
- CEO
Sure. So to the first question, the offline spend priorities, to be frank, we have not mapped them out yet. We're at the earlier stages. So we think of the dollars as being committed, the timing being dictated in part by when meta completes its rollout, but we haven't articulated internally. We haven't come to our conclusions on where the spend its going to be. In terms of the Facebook success, we look at the overall spend there and say it has been remarkably effective for us. We can't tie it directly to traffic, as I indicated before. But the global nature absolutely generates more content for us. They become full members. Everyone that interacts with our app, we get the e-mail of. They get welcomed to our site.
They get asked to write a review, and we've learned something about them, because as part of that Facebook connect process, we've learned where they've checked in, the things around the web that they've liked. Again, all this with the permission that they've given us, but it builds up the database of how we can show how this friend of yours can help you plan the next trip. We know the most popular places people have been to, for instance, when you pop to TripAdvisor. And you have a friend's tab when you visit TripAdvisor that's now populated with an awful lot of this information. I'm not sure I completely answered that, so I'm happy to take a follow-up if you like.
Operator
Thank you. Our next question is from Doug Anmuth of JPMorgan. Your line is open.
- Analyst
Thanks for taking the question. Steve, I was just hoping you could talk to us about how you think about the potential for more of a direct bookings path on the site in the future? And then secondly, any thoughts you might have on two of your biggest partners just buying similar businesses that look, at least a little bit, like TripAdvisor? Thanks.
- CEO
Sure thing. So direct booking, a topic that certainly comes up. Some of the other sites out there that have meta search offerings have direct bookings that they really process, or that are what you'll call an assisted booking inventory sourced by somebody else. We like our position in the meta space. We really focus on, what do we think our consumers want, what do the travelers want, and we're just not hearing at this point that the travelers want the ability to consummate a booking on the TripAdvisor site versus going to other, in most cases, very well-branded sites of their own. We don't have religion on the subject, but it's not a shift that we would do purely for hoping to get some extra margin on or something.
Our clients do a fabulous -- our clients, the Pricelines and Expedia and Orbtizes and Travelocities of the world, and all the international ones do a great job for what they do. They contract with hotels. They offer tremendous inventory. They offer great rates, and we're very pleased with our position in the meta world of not only being able to provide the best recommendations fueled by millions of reviews from millions of travelers, but also now the best price that you can find on the Internet, one click away. For us, that addresses what consumers are telling us that they're asking for.
To the second question, hey, Priceline is in the process of buying Kayak and Expedia, the same for Trivago. I don't see it interfering with our interactions with our big clients. We have the scale. We have the high quality traffic, the auction is extremely robust, can't imagine why that would change. The auction on TripAdvisor. All these folks still want our leads. And I can appreciate you how each of those OTAs would also like to have a little more traffic under their own control to presumably reduce their dependency on Google and the TripAdvisor and the other sources. It makes a certain amount of sense, but doesn't sort of bother me at all in terms of our growth paths and our ability to help more and more travelers. We don't think a price search engine, if that's all you got, is a complete enough offering in the travel research funnel, and it's really hard, and I'm not sure either of those guys would even try, to replicate the type of functionality that TripAdvisor's known for.
Operator
Thank you. Our next question is from Brian Nowak of Nomura. Your line is open.
- Analyst
Thanks. I have two, please. First is, I wonder can you give us any help at all on hotel shopper growth by region, even if just a little more clarity on the US, and the more mature markets compared to the rest of world? And then secondly, there's a lot of focus on kind of marketing and traffic acquisition costs. I was wondering if you could help us understand kind of right now, within your variable marketing spend, what portion of that is dedicated to your mature markets, so the US, UK, and Western Europe versus the portion that's still related to emerging markets where you have lower brand equity? Thanks.
- CEO
Sure. So we haven't broken out the hotel shopper growth by region, other than to say hey, everything grows faster in Asia-Pacific and LATAM, and the brand newer countries because it's off of a lower base. We said earlier we're pleased with the growth in the US and UK, our most mature markets. And again, see no reason why those would be declining going forward. Can't see a ceiling that we'd be tapping into. For the variable marketing spend, again, a large chunk of the variable spend is around search engine marketing, and search engine marketing is a game of numbers. So where is the traffic to buy, and that will help you figure out where we're spending the most. To put it in a perspective, there is so much traffic in the US that even if I was spending outrageously inefficiently in Thailand, it just couldn't match the amount of traffic that the US has versus those emerging markets. I can't really give you too much color beyond that, other than it's absolutely the variable spends, mostly SEM, and it is mostly global. So it is global, by definition. So we're bidding everywhere we can.
Operator
Thank you. Our next question is from Brian Fitzgerald of Jefferies. Your line is open.
- Analyst
Thanks. Steve, wondering how your initiative to provide partners with more ROI visibility is progressing? And then maybe as a follow-up, you mentioned City Guide coverage is up to 80 cities on the mobile side. How penetrated is that in terms of your total rollout that you see, and how quickly are you closing on that complete rollout? Thanks.
- CEO
Sure thing. So the ROI visibility to partners, I'd say they're quite pleased. In some cases we delivered more information than they've been able to digest, rank reports by region, by property. When you're bidding, or when you're advertising 100,000 properties on TripAdvisor, wow, that's a lot of data to be able to work with. I'd say if you were to ask our larger clients, I think they would say they love the new information that they're getting. It is helping them. And they love to see it even more self-service automated, and our public answer to them is, and we're getting there. We have been making meaningful strides each quarter for the past couple of quarters now, and we're not slowing down. So I think that piece of it is going well from all angles.
The City Guide rollout, it's an interesting question. We picked, we think the 80 most popular cities. We could release another 80 if we wanted to. There's just becoming -- we're not at it yet, but there's a role or an issue of diminishing returns with, do we spend our time doing that, or do we spend some more time improving the features within the City Guides of the ones that we've rolled out? And then I'd say the team is correctly more focused on a very rapid iterative cycle of improvements, and there's point me there, and there's check-ins, and there's trip journals, and there's all sorts of new stuff that just didn't exist in the app three, six months ago, and that's really propelling some really impressive engagement numbers. And that's the City Guides app.
TripAdvisor also launched SeatGuru app, which is fantastic airplane advice. What seat do you want to sit on for these long haul flights, and combined it with our flight meta search product and some other nice pieces, and it's a new app launched, I think it's already approaching 1 million downloads, off to the races. It's another app, another iron in the fire, if you will, and you'll see a bunch of these sort of cross-promoted in the future from TripAdvisor.
Operator
Thank you. And our last question comes from Kevin Kopelman of Cowen & Company. Your line is open.
- Analyst
Thanks. Just as we think about revenue growth throughout '13, do you expect the headwind from ad changes to be at its biggest in Q2 or in Q1?
- CEO
Sorry. Do I expect the headwinds from ad --
- CFO
From meta.
- CEO
Sorry, the meta. Q2 is clearly going to be the quarter where we have the most headwinds, will be the most fully into that transition. Again, there's some chance that there's really nothing because the auction comes into play quicker than we expect. But we're pushing forward on this, and if it means that we take a bit of a revenue hit in that quarter in order to get the auction off to the races and get to the end point faster, we're willing to do that. It's just a quarter. As I say, we've already started in Q1, and we're not -- our best guess at the moment is that we won't be completely done by the end of Q2. So you might see a little bit headwind following into Q3. But again, that's our best guess at the moment, and we certainly reserve the right to change the rollout scheduled to be either faster or slower.
- Analyst
Thank you very much.
- CEO
Very good.
Operator
I'm not showing any further questions in the queue. I'd like to turn the call back over to Mr. Steve Kaufer for any further remarks.
- CEO
Well, all right. Thanks so much for everyone for joining us today. We're really excited about what 2013 holds, and we look forward to updating everyone on our progress in the coming months. So thanks again.
Operator
Ladies and gentlemen, thank you for participating in today's conference. This concludes today's program. You may all disconnect. Everyone have a great day.