Do you ever stop to think about all those plain, unloved surfaces in the world, which go through life without ever once being used to reflect a Flickr feed or Facebook wall? It amounts to hectares of wasted potential, but there is a solution. It's called LightBeam and it's a 'nomadic' pico projector that uses a webcam to track and reorient its display to suit any ad hoc surface -- the piece of paper in your hand, the cover of a book, or the picture frame on your desk. And just when you think you've seen it all before, the guy in the video after the break rotates a coffee mug to flip the channel. Handy, no?
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