Facebook, it seems, is unstoppable. The social publishing site, just 11 years old, is now the dominant force in American media. It drives a quarter of all web traffic. In turn, Facebook sucks up a huge portion of ad revenue—the money that keeps news organizations running—and holds an enormous captive audience.

http://www.theatlantic.com/technology/archive/2015/04/facebook-is-eating-the-internet/391766/