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The History of Social Media in 33 Key Moments

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Tumblr and the age of the microblog (2007) In 2007, the social network described as “Twitter meets YouTube and WordPress” came a-tumblin’ along when 17-year-old David Karp launched Tumblr from his bedroom. Registering its one-millionth user that same year, the site became just “ Facebook ” in 2005. RIP to Periscope, 2015-2021.