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Twitter to the Rescue

A rapidly executed reversal of one man's wrongful imprisonment demonstrates the the power of a wide net

Twitter has had its share of bad press lately, namely that it was all but unusable for weeks last year due to an overwhelming server load. This week, however, things are looking up for the messaging service. Not only have their tubes been clog-free, but something happened to one of its members that illuminated just what it is Twitter may be good for (something more than a few people have been trying to figure out): letting people know when youre headed to jail.

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December 2009: Best of What's New

In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.

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