List of defunct social networking websites

This is a list of defunct social networking websites.

Name	Description/Focus	Registered users	Registration
43 Things	Goal setting and achievement	12,914[1]	Closed on 1 January 2015
Avatars United	Online games	22,686,225[2]	Open
Bahu	General; was popular in France, Belgium and elsewhere in Europe	1,000,000[3]	Open to people aged 13–25
Bolt	Teen community website		Open
Capazoo		230,000	Open
eConozco	Bought by Xing		Open
FitFinder	Anonymous UK student microblogging website.	322,113[4]	Open
Formspring	Social Q&A website	290,000,000[5]	Open
FullCircle	Geosocial networking and location-based services portal for mobile devices		Open
Hyves	Social (Dutch)	10,300,000	Closed in 2013; the Telegraaf Media Group announced it would reform Hyves from a social network platform to an exclusive gaming platform. All users had the ability to download their social profile. On December 1, 2013 all the non-downloaded accounts were removed.
Mugshot	Social network aggregator from Red Hat, with compatible desktop software and an official Firefox plugin		Open
Piczo	A social networking and blogging website for teens; bought by Posh Media Group		Shutdown in November 2012
PlanetAll	Social network, calendar and address site founded in 1996 purchased by Amazon.com in 1998 but closed down in 2000	1,500,000	Open
Pownce	Microblogging application (similar to Twitter)		Open
Sixdegrees.com		230,000	Open to previous members
Surfbook	Early Dutch social networking service which closed in 2004. Alleged inventor of the Like button.[6]
Windows Live Spaces	Blogging (formerly MSN Spaces)	120,000,000[7]	Open
Yahoo! 360°	Linked to Yahoo! IDs, closed everywhere except at Yahoo! Vietnam.[8]		Open to people 18 and older (Yahoo! login)
Yahoo! Kickstart	Linked to Yahoo! IDs. Connecting students & Alumni		Open to students and alumni at specific colleges and universities (Yahoo! login)
Yahoo! Mash	Linked to Yahoo! IDs. Closed.		Open to people 18 and older (Yahoo! login)

References

1. 43things.com Site Info Alexa. Retrieved 23 January 2014.
2. Alexa Traffic Details for AvatarsUnited.com 27 July 2011
3. "Bahu's video player and one million users". fr.techcrunch.com. Retrieved 2008-07-20.
4. Alexa Traffic Details for TheFitFinder.co.uk 23 May 2010
5. "Hackers release more than 420,000 Formspring passwords". BNO News. 11 July 2012. Retrieved 11 July 2012.
6. BBC News - Facebook sued over 'like' button, February 11, 2013
7. Windows Live Spaces Fact Sheet - August 2006 Retrieved 3 May 2008
8. Yang Decides To Shut Down Yahoo360 - "Worldwide uniques were 10.5 million in october, 2007, but that was down 22 percent from the year before." -- TechCrunch: October 23, 2007