Snapchat: Why teens’ favorite app makes the Facebook generation feel old.

There is no excuse, at this point, for a professional technology writer to be confused by Snapchat. It has something like 200 million active users. It is, by some metrics, the fastest-growing social app in the world.

source: http://www.slate.com/articles/technology/technology/2015/01/snapchat_why_teens_favorite_app_makes_the_facebook_generation_feel_old.html