(CNN) – Facebook, the social network co-founded by Mark Zuckerberg in a Harvard dorm room, turns 10 Tuesday.
Facebook has 1.2 billion users.
The site has given new meaning to words, for instance: unfriend, tag and poke, to name a few.
About six in 10 users log in every day to share status updates, photos and, of course, "like" things.
By the way, there are 6 billion "likes" per day.
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