There's been a lot talk about video based gesture control for computers, games, etc. but MYO translates your arm muscles and orientation as signals to control software and hardware. As crazy as it sounds in practice it looks incredible. It comes pre-programmed to work on your computer (PC & Mac using Bluetooth 4.0) and will have API's for developers to integrate it into their software. Check out the video to see exactly how it works. You can pre-order MYO here for $150.