Kinect demo shows holographic 3D game engine

Developers have demonstrated an unofficial feature for Microsoft's Kinect system that mimics holographic effects. The Programming4fun team used the Kinect beta SDK and Windows Phone to create the illusion of a holographic scene, using the Kinect sensors to track a user's position and change the perspective of the scene projected on a flat surface.......

Source:
http://afanley.livejournal.com/1551964.html