Extreme Reality's technology revolves around gestures, and its latest effort is to bring that movement to the masses: its Extreme Motion developer kit turns just about any off-the-shelf webcam or built-in camera on common platforms, including Android, iOS and Windows, into an almost Kinect-like system capable of tracking 3D motion. Despite missing depth cameras or other additional sensors, it's theoretically quite accurate -- the software tracks joints across the body in every frame, although it's not quite so sensitive as to track fingers. This author had the chance to make a fool of himself in front of a laptop's
