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"So far, in-car gestures aren't useful for much more than raging at the driver that just cut you off.  Google wants these gestures to be more productive, however, and has applied for a patent that uses hand motion to control the car itself.  Its proposed system relies on both a ceiling-mounted depth camera and a laser scanner to trigger actions based on an occupant's hand positions and movements.  Swipe near the window and you'll roll it down; point to the radio and you'll turn the volume up.  While there's no guarantee that we'll see the technology in a car, the USPTO is publishing the patent filing just a day after Google has acquired a motion control company.  If nothing else, the concept of a Google-powered, gesture-controlled car isn't as far fetched as it used to be."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2013/10/03/google-applies-for-patent-on-gesture-based-car-controls/?ncid=rss_semi>