Social Networking

For a full list check out Wiki's Listing

Oldies
Classmates.com (1995) x
Excite (1997) x
Xanga (1999) x
LiveJournal (March 1999) x
Network for Good/VolunteerMatch (2001) x
2003
Friendster (March) x
LinkedIn (May) x
Myspace (August) x
Hi5 (December) x
2004
Orkut (January) x
Facebook (February) x
MSN Live Spaces x
Plaxo (May) x
Tagged (October) x
2005
Bebo (January) x
YouTube (February) x
Yahoo! 360° (March) (Avatar, Answers)
Meebo (September)
Ning (October)
2006
CouchSurfing (June)
Twitter (August) x
2008
Google Lively (July) x