Instagram Gains User Momentum, Passing Twitter

Photo-sharing site Instagram said Wednesday that its active monthly user base reached 300 million, a dramatic 50% increase in the past nine months.
Instagram, which launched in 2010, edged past 8-year-old Twitter and its reported 284 million monthly active users.
Facebook, which bought Instagram in 2012 for $1 billion, has nothing to worry about. In September, the social network reported that its own active monthly user base had hit 1.35 billion.
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