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Smart 'stickers' let you find things by phone

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BARCELONA, Spain (AP) — Jimmy Buchheim is behaving oddly. On the floor of the world's largest cellphone trade show in Barcelona, Spain, he's looking at the screen of his iPod Touch, taking a few steps, and then looking again. Now and then he backtracks or turns, and looks again. Slowly, he confines his movements to a smaller and smaller area. Then he drops to his knees, and checks the...