Pre-order today for $149 at https://www.thalmic.com/myo/preorder Myo is a gesture control armband that works out of the box with things you already have like...
Myo - Wearable Gesture Control from Thalmic Labs
Possibilities with Gesture control technology
Control your computer with a wave of your hand
Leap - FUTURE OF MOTION GESTURE CONTROL
Gesture Control Test - Samsung TV