FB habits are very different from Google or Yahoo. Last earnings call, FB said that half of their daily users are mobile only. About 25% of Google searches are

FB habits are very different from Google or Yahoo. Last earnings call, FB said that half of their daily users are mobile only. About 25% of Google searches are mobile. http://techcrunch.com/2013/10/30/nearly-half-48-of-daily-users-of-facebook-are-now-mobile-only-says-ceo-zuckerberg/ http://techcrunch.com/2013/10/30/nearly-half-48-of-daily-use... http://www.businessinsider.com/mobile-sends-a-quarter-of-search-traffic-2013-7 http://www.businessinsider.com/mobile-sends-a-quarter-of-sea...