"The device...can turn any surface into a touch-screen for computing, controlled by simple hand gestures. The gadget can even take photographs if a user frames a scene with his or her hands, or project a watch face with the proper time on a wrist if the user makes a circle there with a finger. The device can recognize items on store shelves, retrieving and projecting information about products or even providing quick signals to let users know which choices suit their tastes."
Needless to say, I both fear and desire it.
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