This is a great way to create a 3D holographic illusion by using a standard web cam and face recognition. Just click on accept when a small window pops up and move your head in front of your webcam. You will see a perspective effect which simulates a real 3D experience without glasses. Just like looking through a window. This would look even better with a panoramic image. But how to do this?
See it full screen at http://mrdoob.com/90/lab/actionscript/webcam/face_driven_3d/