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Mark Zuckerberg releases Facemash, the predecessor to Facebook. It is described as a Harvard University version of Hot or Not.[1]
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Mark Zuckerberg begins with his fellow co-founders writing Facebook
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Zuckerberg launches Facebook as a Harvard-only social network
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Zuckerberg, Dustin Moskovitz, and Eduardo Saverin form Thefacebook.com LLC, a partnership
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Facebook receives its first investment from Peter Thiel for US$500,000
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Facebook incorporates into a new company,[7] and Sean Parker (early employee of Napster) becomes its president
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To compete with growing campus-only service i2hub, Zuckerberg launches Wirehog. It is a precursor to Facebook Platform applications
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ConnectU files a lawsuit against Zuckerberg and other Facebook founders.
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Facebook achieves its one millionth registered user.[10]
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Accel Partners invests $13 million into Facebook.[5]
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Facebook launches its photos feature with no restrictions on storage (but without the ability to tag friends)
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News Corp acquires MySpace, spurring rumors about the possible sale of Facebook to a larger media company
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Facebook acquires Facebook.com domain for $200,000.
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Facebook launches a high school version of the website.
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Facebook expands to UK universities.