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it was invented by Mark Zuckerberg and a few College students and roommates.
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Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams all helps each other create twitter release date
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Kevin Systrom and Mike Krieger created Instagram.
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Spiegel and Murphy and Brown invented snapchat but later on the kick brown out the group they worked for several months before snapchat was released
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you can only add friends by looking up there name.
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you can add friends from phone book, there username, near by, or taking a picture.
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you can add friends by looking them up, if they add you or phone book.
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you can add people by there username, if one of your friends retweets someone else.
