SimilarityRank
Orkut 0.889 69500
MySpace 0.883 18155
Myspace 0.857 31110
Facebook 0.840 1374
Digg 0.833 30156
FaceBook 0.830 43870
Tumblr 0.816 23799
social-networking 0.814 88849
StumbleUpon 0.809 57874
micro-blogging 0.796 78367
Bebo 0.795 63222
Yahoo 0.792 6222
Linkedin 0.791 43972
Reddit 0.790 36024
LinkedIn 0.787 9270
Hotmail 0.787 39485
AOL 0.767 17615
Quora 0.763 78716
photo-sharing 0.762 85019
Twitter 0.762 2106
LiveJournal 0.761 85314
Zynga 0.760 36005
Foursquare 0.758 29066
Gmail 0.752 16215
Yammer 0.745 74199