#1: 78% of U.S. Facebook Users Are Mobile
Facebook is at the center of a sizable shift to mobile. In the U.S. alone, 78% of all Facebook users (just shy of 100 million people) logged into theirFacebook accounts via mobile this year (TechCrunch).
Research from eMarketer predicts that this number will continue to grow and by 2017, 154.7 million Americans will be using Facebook on their mobile devices.
