The Selia Touch-Free Kitchen Faucet from Pfister balances tech with functionality. You can turn it on with a wave of your hand, or keep it simple with an old-fashioned handle.
Using the Nexus 5's touch-free audio controls to instigate search is cool. But there's even more Google can do to turn up the volume on voice.
Last year Apple managed to get 676 patents awarded to it by the U.S. Patent Office, and 2012 is showing no signs of Apple slowing down. In its latest application, Apple is proposing technology that would control a 3D interface using touch-free motion-based gestures on your iOS device.
The Coolpix S230 gets the touch screen treatment.