Best Social Networking / Bookmarking Sites

https://www.xing.com
https://www.tuenti.com
http://www.mindtalk.com
http://www.dudu.com
http://www.stumbleupon.com/
https://www.diigo.com
https://delicious.com
http://www.tumblr.com/
https://myspace.com
https://twitter.com
http://lovdbyless.com
http://www.livejournal.com/
https://foursquare.com
http://www.deviantart.com/
http://www.pinterest.com/
http://www.linkedin.com/
http://www.folkd.com/
http://www.bibsonomy.org/
http://www.plurk.com/
http://servicesitus.com
http://newsvine.com/
http://dotnetkicks.com
https://www.traiborg.com

High Quality Social Bookmarking Sites List

https://myspace.com/

https://pinterest.com/

http://slashdot.org/

http://www.reddit.com

https://www.stumbleupon.com

https://delicious.com/

http://www.citeulike.org

https://www.diigo.com

http://www.designfloat.com/

http://newsvine.com/

http://www.bibsonomy.org/

https://app.blinklist.com/user/login

http://www.folkd.com

http://www.bookmark4you.com/

https://www.tumblr.com/

http://www.diggita.it/

http://www.scoop.it

http://www.socialbookmarkssite.com/

http://url.org

http://www.thinmarker.com/