Angry Birds Rio

Apple and Rovio have paired up to give away Angry Birds Rio for the iPhone and iPad for free this week, as part of Apple's 'Free App of the Week' promotion.The game is normally $0.99 for the iPhone and $2.99 on the iPad.Angry Birds Rio brought more of the same bird-flinging action that we all are quite familiar with by now, but also threw a couple of new very welcome twists into the formula....