Facebook

http://www.facebook.com

Myspace

http://www.myspace.com

studiVZ

http://www.studivz.net

Orkut.com

http://www.orkut.com

Youtube

http://www.youtube.com

12seconds

http://12seconds.tv

Sevenload

http://de.sevenload.com

Twitter

http://twitter.com

Twitpic

http://twitpic.com

Friendfeed

http://friendfeed.com

Brightkite

http://brightkite.com

LinkedIn

http://www.linkedin.com

Xing	http://www.xing.com

Plaxo

http://www.plaxo.com

AOL Cityguide

http://cityguide.aol.com

City Guides

http://www.citysearch.com

Wayn	http://www.wayn.com

Digg	http://digg.com

Delicious

http://delicious.com

Diigo

http://www.diigo.com

Friendfeed

http://friendfeed.com

Mister Wong

http://www.mister-wong.de

iLike

http://www.ilike.com

Last.fm

http://www.lastfm.de

Blip.fm

http://blip.fm

Flickr

http://www.flickr.com

Picasa Web

http://picasa.google.com

Webshots

http://www.webshots.com

Zooomr

http://de.zooomr.com

Schüttelreime

http://www.schuettelreime.at

witze.at

http://www.witze.at

Zitate

http://www.zit.at