So here are three nuggets: (1) Indonesia is the second biggest Facebook market after the U.S.; (2) MySpace is the only social network with the majority of its users under 24; (3) The typical Tweeter appears to be a white woman in her lower 30s.

Read the full story at Ad Age.
This article available online at:
http://www.theatlantic.com/business/archive/2011/05/chart-of-the-day-the-demographics-of-social-media/239467/
