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Photos: Under-the-radar tech at CES 2009's Digital Experience

Every year, CES exhibitors converge at Digital Experience--an evening, food-laden media party--to show off new and not-so-new gadgets. The show-within-a-show always includes a few standouts that get a lot of attention. We went on the hunt for the opposite: less-well-known gadgets and technologies that nonetheless caught our eye.