Kara Swisher: New eco-friendly gadgets for the holidays

At a Churchill Club event, AllThingsD technology columnist Kara Swisher shows ZDNet some "green" tech gift ideas for the holiday season, including a clock powered by water and a mini-vacuum cleaner that runs without emitting CO2 fumes. She also demos some other fun gadgets, including a device that helps exercise your fingers, a digital measuring cup, and an electronic head massager.
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