TECH
12/07/2010 12:15 am ET Updated May 25, 2011

Facebook Is -- Literally -- A Lifesaver

Americans find long-lost friends on Facebook. They meet on Facebook. They post pictures of parties, vacations or even family photos on Facebook.

But what Mark Zuckerberg probably never dreamed of when he invented this social network tool to connect college students was that Facebook would someday save a life.

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