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1986 - Listserv
Listserv (the original, not the modern top ten site) made its debut in 1986. This was, in effect, a mailing list that allowed individuals to contact multiple users in one email. This is commonplace today but was revolutionary at the time. -
1994- Palace
1994 saw the introduction of The Palace. It allowed users to interact with one another on a graphical chat room server, which they termed "palaces". -
1999 - Blogs
LiveJournal was founded in 1999. It was the first blogging sites started to become popular, and this form of social media is still very popular today. -
2001 - Wikipedia
Wikipedia was launched in 2001. -
2002 - Friendster
Friendster emerged in 2002. This Malaysian-built platform, now defunct, was initially used as a social networking service website. -
2003 - Lindkedin
2003 saw the emergence of LinkedIn. Its unique selling point is obvious to anyone who uses it.