Know : List of all Social Networking Sites

List of all Social Networking Sites (Sorted Alphabetically) Name Description/Focus Registered users Global Alexa Page ranking 43 Things Goal setting and achievement 3,000,000 12,914 About.me Social networking site 5,000,000 1,447 Academia.edu Social networking site for academics/researchers 211,000 1,995 Advogato Free and open source software developers 13,575 292,620 aNobii Books 26,939 AsianAvenue A social network for the Asian American community 170,384 aSmallWorld…