We have seen a few Kinect hacks since its recent release and even rumours of Microsoft bringing law suits against hackers, but one of my favourite has got to be this mash-up of Microsoft tech and Nintendo software for Super Mario Bros. This particular hack is from a guy called Yankeyan who has programmed Kinect to register his movements as virtual button presses on a NES emulator. When he runs Mario runs, when he jumps Mario jumps. Check it out.
