Amazon Appstore for Android goes live, welcomes newcomers with free Angry Birds Rio

In spite of Apple's grumbling, Amazon's proceeding full steam ahead with the rollout of its Appstore for Android. The switch has just been flipped and early adopters will be welcomed with a free copy of Angry Birds Rio, whose Android launch Amazon scooped all to itself. Beyond day one, Rio will be a $0.99 app, but others will take its place as the online retailer is aiming to serve one