Future Driving: Controlling a Car with a Wave of the Hand?

Wall Street Journal, Nov 28 2012 - Toyota Motor Co. is researching new ways to revolutionize the act of driving, and some start with a simple wave of the hand. Toyota’s U.S. division, said today the company is working on new hand motion technology that will allow drivers to control certain car functions, such as turning up the radio volume. http://blogs.wsj.com/drivers-seat/2012/11/28/future-driving-controlling-a-car-with-a-wave-of-the-hand/