Facebook Is Erasing Doubts on Mobile

If Facebook were a car, it just went from zero to 60 mph in six seconds.The social networking company said Wednesday that it had revved up its mobile advertising from virtually nothing a year ago to 41 percent of its total ad revenue of $1.6 billion in the second quarter.
http://www.nytimes.com/2013/07/25/technology/facebook-beats-expectations-on-strong-mobile-growth.html