http://www.engadget.com/2010/11/19/kinect-hack-creates-worlds-greatest-shadow-puppet-video/“..installation prototype created by Emily Gobeille and Theo Watson using an Xbox Kinect connected to a laptop using the libfreenect Kinect drivers and ofxKinect. The openFrameworks system tracks the elbow, wrist, thumb, and tips of the fingers to map a skeleton onto the movement and posture of an animated puppet.”