Top Social Networking Sites

Social Networking	PR	Alexa Rank	Type	Submit
Twitter.com	9	10	free	Submit
Stumbleupon.com	8	160	free	Submit
Tumblr.com	8	92	free	Submit
Anobii.com	7	11,529	free	Submit
Friendster.com	7	718	free	Submit
Classmates.com	7	1,677	free	Submit
Care2.com	7	2,032	free	Submit
Flixster.com	6	3,016	free	Submit
Gaiaonline.com	6	2,394	free	Submit
Advogato.org	6	122,819	free	Submit
Plurk.com	0	1,183	free	Submit
Myyearbook.com	0	1,384	free	Submit
Hi5.com	0	138	free	Submit
Xing.com	0	214	free	Submit
Jaiku.com	0	12,439	free	Submit
Tagged.com	0	222	free	Submit
Academia.edu	0	18,002	free	Submit
Myspace.com	0	38	free	Submit
Delicious.com	0	250	free	Submit
Digg.com	0	126	free	Submit
Xanga.com	0	1,880	free	Submit
Blackplanet.com	0	3,140	free	Submit
Reunion.com	0	12,430	free	Submit
Badoo.com	0	135	free	Submit
Skyrock.com	0	412	free	Submit
Facebook.com	0	2	free	Submit