The Facebook Mobile App had about 488 milion users in May. Now just 4 months later the power of mobile helps Facebook to 543 milion active users.
Like all online businesses, the marketing industry is being radically changed by the creeping ubiquity of mobile devices. This shift to the smaller screen will inevitably have profound implications on both global marketing companies like WPP and Omnicom as well as on Internet companies like Google and Facebook whose revenue is mostly derived from online advertising. Socialbakers created a nice infographic