Why is Mark Zuckerberg’s Facebook ID 4?

http://www.facebook.com/s.php?k=10080&id=4 shows Mark Zuckerberg’s Facebook ID is 4. What ever happened to Facebook IDs 1, 2, and 3?

2 Responses to “Why is Mark Zuckerberg’s Facebook ID 4?”


  1. 1 Frank

    Either those were test accounts or, he stole the idea from the 3 friends he was working with and deleted their accounts (or he bought the right to continue alone on his own) or a mix of all of that

  2. 2 yuri

    maybe it’s same with forum’s configuration. i dont know whether id 1,2,3, but one of this is emergency id. let says, backup id. it’s like administrator, and total administrator in case something dangerous happen.

    and i wonder why he blocked friend request. the co-founder, Chris Hughes (id=5) dont block it.

    CMIIW, im just newbie in IT

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