Earthlings Flock to Facebook by the BillionFacebook CEO Mark Zuckerberg on Thursday announced that for the first time more than a billion people had used the site on a single day. The counter hit the milestone earlier in the week, on Monday. Nearly 1.5 billion users log on at least once monthly, according to Facebook, but Monday marked the first time that more than two-thirds of its members used the network on the same day.
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Earthlings Flock to Facebook by the Billion
