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"Twitter today publicly filed its IPO and revealed a bunch of juicy numbers. While the financial analysts will be poring over all the money figures, it's worth looking at Twitter's userbase: ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2013/10/03/twitter-says-it-sees-215-million-monthly-active-users-100-million-daily-users-and-500-million-tweets-per-day/?_escaped_fragment_=tSB3L>