So the XBox Kinect has been released, and people are having lots of fun with it already!

First off, a fantastic video by Oliver Kreylos showing the output that can grabbed from the Kinect, viewed in realtime:


Now a fun head-tracking demonstration (though not really extending the face-detection system that uses a webcam):


And finally, Henri Astré of has written a Kinect library for Ogre3D: