Each week Adam Frucci takes a closer look at the latest gadget buzz in his column, Shift. I'll apologize right now for using "Web 2.0" in the title of this column. It's a terrible buzzword, but it defines the very sites I'm gonna deal with today, so please forgive me. If you're unaware, Wikipedia states that the term Web 2.0 "refers to a supposed second-generation of Internet-based services â such
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