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Facebook
Facebook is a social networking service. It was founded by Mark Zuckerberg with his college roommate and fellow Harvard University student Eduardo Saverin. -
Twitter
Twitter, Inc. is an American online news and social networking service on which users post and interact with messages known as "tweets". Twitter was created by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams. -
Instagram
Instagram is a photo and video-sharing social networking service owned by Facebook, Inc. It was created by Kevin Systrom and Mike Krieger. -
Snapchat
Snapchat is a multimedia messaging app used globally, created by Evan Spiegel, Bobby Murphy, and Reggie Brown, former students at Stanford University, and developed by Snap Inc., originally Snapchat Inc.
