Sure you can waste a whole lot of time hearing about what …
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Sure you can waste a whole lot of time hearing about what your friends ate for lunch on micro-blogging service Twitter, but if you're already a Twitter addict, you might as well make your time there as productive as possible. My fellow Twitterers, while it's impossible to avoid some useless noise on Twitter, there are a few tweeters and bots that offer up-to-the-minute alerts, useful information, functionality, and inspiration. Here are a few Twitter users—besides your friends—worth following.
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