A Look At The Size And Shape Of The Geosocial Universe In 2011 | Online News Squared | Scoop.it
* Mobile: 5.3 billion mobile devices
* Smartphones: 21.8 percent of all mobile devices
* Facebook: Now tops 629 million registered users
* Twitter: Broke the 200 million registered user mark with nearly 40 percent of people tweeting via mobile
* Hotmail still dominates email, but Gmail is gaining fast
* Yelp is topping 50 million unique visitors per month.
* Foursquare and Gowalla: growth seems to be slowing down a bit