Ever wondered how ‘old’ social networks actually are? Time flies, so here goes…

1995	Classmates (15 years ago!)
2002	Friendster
2002	Plaxo
2003	LinkedIn
2003	Myspace
2003	Netlog
2004	Facebook
2005	Ning
2006	Twitter
2007	Gowalla
2009	Foursquare
2010	Google Buzz

Networks focussing on a single type of content:

2004	Flickr
2004	Vimeo
2005	Youtube
2006	Slideshare
2007	Scribd

Services promoting content:

2001	StumbleUpon
2002	Technorati
2003	Delicious
2004	Digg
2005	addtoany

Strangely enough, I didn’t come across a major service launched in 2008. Did I miss anything?

I’ve listed the main networks and services that I tend to use or follow. Have a look at List of social networking websites – Wikipedia for quite an extensive overview.

More stats and figures about the Internet or Social media:

The State of the Internet – Take me to your Leader

JESS3 / The State of The Internet from JESS3 on Vimeo.

Social Media Revolution 2 (Refresh) – Socialnomics