During yesteRday's earnings call. Google revealed that 40% of its traffic mow comes via mobile. That's up from 25% last year and just 6% in 2011.
And rapid mobile growth is not just happening on YouTube.
By comparison, according to TechCrunch, Facebook had 819 million monthly mobile users (73%) out of its total 1.15 billion users in Q2 2013, up from 543 million (56%) of 955 million in Q2 2012, 325 million (43%) of 739 million in Q2 2011, and 155 million (32%) of 482 million in Q2 2010.
