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"SixDegrees.com was a social network service website that lasted from 1997 to 2001 and was based on the Web of Contacts model of social networking."
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"LinkedIn is a business- and employment-oriented social networking service that operates via websites and mobile apps."
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"Myspace is a social networking website offering an interactive, user-submitted network of friends, personal profiles, blogs, groups, photos, music, and videos."
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"Each registered user on Facebook gets their own personal profile that shows their posts and content."
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"Reddit is an American social news aggregation, web content rating, and discussion website."
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"YouTube allows users to upload, view, rate, share, add to favorites, report, comment on videos, and subscribe to other users."
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"Twitter is an online news and social networking service where users post and interact with messages, "tweets", restricted to 140 characters."
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"The service allows users to post multimedia and other content to a short-form blog."
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"Spotify is a music, podcast, and video streaming service that was officially launched on 7 October 2008."
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"Instagram is a mobile, desktop, and Internet-based photo-sharing application and service that allows users to share pictures and videos either publicly or privately."
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"Pinterest CEO Ben Silbermann summarized the company as a "catalog of ideas," rather than as a social network, that inspires users to "go out and do that thing."
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"One of the principal concepts of Snapchat is that pictures and messages are only available for a short time before they become inaccessible."
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"Google Plus (stylized as Google+) is an internet based social network that is owned and operated by Google."
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"Vine is a short-form video hosting service where users could share six-second-long looping video clips."
