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Friendster was a social gaming site based in Kuala Lumpur, Malaysia. It was originally a social networking service website.
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LinkedIn was launched in May 2003, is a social community oriented to business, to business and employment.
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Orkut was a social network promoted by Google since January 2004 and which was active until the end of June 2014
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Facebook was originally created to support university networks, in 2004
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Twitter was originally created in California, but is under the jurisdiction of Delaware since 2007
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Tumblr was founded by David Karp in 2007, is a microblogging platform that allows its users to publish texts, images, videos
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Pinterest was founded by Ben Silbermann, Paul Sciarra, and Evan Sharp, is a platform for sharing images that allows users to create and manage
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Instagram was launched in October 2010. This application quickly gained popularity, reaching more than 100 million active users