Futuristic Interfaces
Several futuristic interfaces were on display at SIGGRAPH. I liked the "Scratch" technology for it's simplicity. You simply attach a high frequency sensor to a surface, such as a wall, desk, or white board. Then scratch learned gestures. In one application he controls the volume of an mp3 player(i think).
Checkout all 5 Futuristic Interfaces at http://www.technologyreview.com/blog/editors/23940/
