Concept smartwatch uses the whole screen as a joystick

It ain't easy using a smartwatch, especially if you have gigantic fingers. So, a team from Carnegie Mellon University developed a concept smartwatch that turns the whole screen into one relatively big input mechanism. By that, we mean you can pan, twist, zoom, tilt and click the screen by physically moving the watchface -- the whole thing (sans the bracelet) is essentially a joystick.

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