Twitter hits 200 million [infographic]
http://visual.ly/images/timthumb.php?src=http://visually.visually.netdna-cdn.com/FollowingTwitter_4e22255fadb21.jpg&w=500
http://visual.ly/images/timthumb.php?src=http://visually.visually.netdna-cdn.com/FollowingTwitter_4e22255fadb21.jpg&w=500