VIDEO: Wall-sized screen tracks viewer movement

Gizmodo: Panasonic's prototype LifeWall, exhibited at CEATEC outside Tokyo, is a room-sized screen that tracks and remembers users with face recognition, which the firm calls You-Know-Me-TV. Video you're watching is optimized for size depending on your distance from the wall. And when you walk away, it follows so that you never miss a commercial (Stay-With-Me-TV).

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