SimilarityRank
StumbleUpon 0.927 57874
Reddit 0.921 36024
digg 0.870 69586
Technorati 0.866 56435
bookmarking 0.843 25665
Tumblr 0.841 23799
Facebook 0.840 1374
Friendster 0.833 84667
Quora 0.829 78716
reddit 0.828 65948
FaceBook 0.827 43870
Twitter 0.817 2106
Disqus 0.807 67989
Blogspot 0.802 99924
icio 0.801 69324
Mashable 0.800 47450
MySpace 0.800 18155
Myspace 0.800 31110
Slashdot 0.793 68747
Linkedin 0.792 43972
micro-blogging 0.791 78367
trackbacks 0.788 99400
Pinterest 0.787 12064
LinkedIn 0.782 9270
Orkut 0.781 69500