January 26, 2009 5:26 AM

Twittering Merced

Twitter is definitely an exercise in narcissism, but there's no better social networking tool out there.   For the uninitiated, Twitter is a "microblogging" service that asks users to write about what they're doing in fewer than 140 characters. It's a weird mix of instant messaging and blogging, and it's hopelessly addicting.

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