Facebook Uncages Angry Birds

Ugh, if you have a Facebook account, be prepared to be inundated with Angry Birds updates/invites/requests from all your friends. "There are four different types of power-ups and they can be accessed via the lightning bolt button at the top of the screen," the company said. "You can use two power-ups per level. All power-ups have a different effect but ultimately make you more competitive against your friends by making your birds stronger or more accurate or even by shaking the earth itself!"