Skinput: The body as your keyboard

Chris Harrison, a researcher at Carnegie Mellon University, has built a device that recognizes taps and flexes on your arm to turn your body into a computer input. The basic idea is you could dial a phone number or adjust an iPod with simple body movements. It's a rudimentary but intriguing continuation of our human convergence with technology. Don't think you're part machine already? Then put down your glasses, take out your dental fillings, and remove the leather shoes that cushion your feet.

Via Bill Green.