Hands off: Samsung's Touchless Touchscreen

"Imagine using a touchscreen that you don't have to touch. Samsung's 57-inch LCD functions like a touchscreen by recognizing a person's motion from a short distance.

Interactive media company Reactrix has partnered with Samsung to use its Wavescape technology that allows people to interact with one of these high-tech screens from up to 16 feet away. Reactrix has spent five years working on the system that uses wireless technology and sensors on the screen to interact with people in 3D. It will allow advertisers to use the monitors to promote their brands."

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