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  Two Chicago computer hobbyists invented the bulletin board system (BBS) to inform friends of meetings, make announcements and share information through postings. It was the rudimentary beginning of a small virtual community. Trolling and flame wars began. (http://www.uncp.edu/home/acurtis/NewMedia/SocialMedia/SocialMediaHistory.html)
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  An early bulletin board that connected Duke University and the University of North Carolina.
(http://www.uncp.edu/home/acurtis/NewMedia/SocialMedia/SocialMediaHistory.html) - 
  
  
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  Facebook is a social networking site intended to connect friends, family, and business associates. (www.wisegeek.org/what-is-facebook.htm)
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  YouTube provides a forum for people to connect, inform, and inspire others across the globe (http://www.youtube.com/yt/about/).
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  Social Networking for Academics
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