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For you traveling types, this handy-dandy little gadget allows you to charge or run a USB-powered device from outlets that are already occupied! How many times have you needed to plug your phone in at the airport but couldn't due to all the people who had their infernal laptops plugged in? Well, now you can just place this doohickey between their plug and the outlet, and you're all set to mooch just enough power to charge your USB device!
Where to buy: ThinkGeek for $13.99 + S&H
[Related Gallery: 20 of the coolest gadgets and must-haves for your office: Part 2]