Microsoft is busy officially revealing all the bits and pieces that make up Windows Phone 8, and one of them is its new lock screen. Powered by Live Apps designed for Windows Phone 8 like Facebook, it lets apps directly update your lock screen with new photos and information. Exec Joe Belfiore is, as usual, excited about it, pointing to the "surprise" now waiting every time he picks up his phone. If pics from your last vacation popping up every time you turn your phone on doesn't get you going ,just imagine sports scores or other relevant info you've picked pushed straight to the front, just a button press away.