Ty Liotta isn't just any overgrown nerd. He's the ultimate arbiter of geek taste-the Anna Wintour of the pocket-protector set. As senior merchandiser for the e-commerce site ThinkGeek.com, Liotta, 39, is responsible for discovering and creating such must-haves for geeks as a T-shirt that sniffs out Wi-Fi hotspots and the Tauntaun sleeping bag, modeled after the animal carcass that saved Luke Skywalker from certain death on the frozen planet of Hoth.
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