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Born Thefacebook site, then was only for use by students of Harvard University
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Born the concept of "News-feed", user groups and privacy controls
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Homepage was boring and old, then the creators of facebook renewed the registration of social network and gave a new view
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Facebok had 200 000 000 users
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"News Feed" began to show real-time news and added the question "What are you thinking?" to invite users to update their status
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The user profile was modernized
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In partnership with Skype, Facebook was added service "video chat"
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Instagram was sold to facebook
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After difficult months facebook had a thousand million to users
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the "hashtag" or label was added to Facebook
