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Date Founded
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Founder(s)
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Founding Location
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In Operation
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Monthly active users (million)
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Name
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Del Edit 2004-02-04 Mark Zuckerburg Cambridge, MA, USA True 2130.000 Facebook
Del Edit 2005-04-01 Tencent Shenzhen, China True 563.000 Qzone (Tencent)
Del Edit 2009-08-14 Charles Chao Beijin, China True 376.000 Weibo
Del Edit 2010-03-05 Kevin Systrom, Mike Krieger San Francisco, CA, USA True 800.000 Instagram

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