SixthSense's Pranav Mistry Uses Cameras to Read Gestures

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BODY LANGUAGE: Say good-bye to your remote, your joystick, your mouse. Soon you'll be waving your fingers to control everything from TVs to thermostats. Gesture technology may be a multibillion-dollar market by 2015. | Photograph by Bob O'Connor

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Pranav MistryResearch Assistant, MIT Media LabCambridge, Massachusetts

Mistry, 29, invented SixthSense, a platform that uses a small camera to read and follow users' gestures.

"In computing, everything happens inside this rectangular screen. I want...