Mark Zuckerberg - 500 million-user mark
Time: Wednesday Jul 21, 2010
Place: U.S.
Details: On July 21, 2010, Zuckerberg reported that the Facebook reached the 500 million-user mark.
Time: Wednesday Jul 21, 2010
Place: U.S.
Details: On July 21, 2010, Zuckerberg reported that the Facebook reached the 500 million-user mark.