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The earlier stage of Facebook, Facemash has basically matched two girls pictures. Named Hot or Not
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Facebook receives its first investment from Peter Thiel for US$500,000
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Mark Zuckerberg and his friend wrote Facebook and launched it as a Harvard Social Network.
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Facebook achieves its one millionth registered user
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Facebook launches a high school version of the website
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Facebook acquires Facebook.com domain for $200,000
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Facebook discusses with Yahoo! about the latter possibly acquiring the former, for $1 billion.
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Microsoft announces that it will purchase a 1.6% share of Facebook for $240 million, giving Facebook a total implied value of around $15 billion. However, Microsoft also gained ad exclusivity in this deal, so the $15 billion valuation figure is disputed
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Facebook activates the Facebook like button
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The Social Network, a film about the beginnings of Facebook directed by David Fincher is released. The film is met with widespread critical acclaim as well as commercial success; however, Mark Zuckerberg says that the film is a largely inaccurate account of what happened.
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Facebook Messenger is launched for Android and IOS. October 19, 2011, the update makes the app available to Blackberry os
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Facebook acquires Instagram for $1 billion
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Facebook reaches 1 billion active users
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Facebook announces that it is acquiring the Sequoia Capital-backed multi-platform mobile messaging app WhatsApp for $16 billion USD ($4 billion in cash, $12 billion in Facebook shares) plus an additional $3 billion in restricted stock units to be granted to WhatsApp’s founders and employees that will vest over four years subsequent to closing.
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Facebook's face recognition algorithm (DeepFace) reaches near-human accuracy in identifying faces
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More than 50 million user data was compromised, that was used for machine learning, which had a great influence on last US election. also responsible for fake news.
