You really only need to Google search it, but
http://www.wired.com/gamelife/2012/01/xbox-720-used-games/
http://www.pcmag.com/article2/0,2817,2399366,00.asp
http://www.gamezone.com/news/xbox-720-to-play-blu-ray-and-introduce-kinect-2-but-may-not-play-used-games
http://penny-arcade.com/2012/01/27
--
Ace Detective in Sir Chris' Police
http://i56.tinypic.com/2hxynir.gif