TECH
03/18/2010 05:12 am ET Updated May 25, 2011

Facebook Makes Anniversaries The New Birthdays

Since the beginning, Facebook has incorporated birthdays into its social DNA. Part of the fun and utility of Facebook is wishing each of your friends a Happy Birthday note on their walls while rushing to the store to buy gifts for them at the last minute.

Now Facebook is (finally) including another important annual celebration into the social network's mix: the anniversary.

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