Angry Birds launched on Facebook

February 14, 2012 2:58:46 PM PST
The popular game Angry Birds that involves hitting green pigs with a sling shot officially launched on Facebook Tuesday.

The new, browser- based version of Angry Birds comes with several new features.

Angry Birds is one of the most popular smart phone apps. It has been downloaded more than 500 million times since it debuted in 2009.