Using head tracking on the iPad 2 for a glasses-free 3D displayhttp://www.tuaw.com/2011/04/11/ipad-2-gets-glasses-free-3d-display-using-front-facing-camera-fo/?fb_ref=article&fb_source=home_oneline by rondevera • 15 years ago 2 0 15 years agoTUtuaw.com