Facebook answered the big question of whether it's transitioning to become a mobile ad company by noting in today's earnings report that 14% of total ad revenue from Q3 2012 came from mobile -- about $150 million. Here's the full audio of the earnings call and what Facebook has to do next to milk mobile. Source: http://feedproxy.google.com/~r/Techcrunch/~3/HwsQCAEai10/
