Draw on a surface and watch as this system tracks the movement on your device's screen

At this point, using a touch screen device comes a second nature to many smart device owners. This interaction creates a variety of actions, allow users to do everything from checking their email to drawing a digital sketch.

But this action still seems confined to one screen—the face of your smart watch or the screen on your mobile device. Students and faculty at the University of Washington are developing a unique system for extending this range. FingerIO would allow users to make virtually any surface interactive. The system, for example, would allow a user to make a movement on the arm that wears a smart watch and see that movement taking place on the screen.

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