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Social media
Smooth
Social circle
Article, Follow, reader
MediumSeaGreen
512x512
Social Network - Hexagonal
Stumbleupon, social network
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Round Social Media Icons
Sharethis
58x58
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35 Sweet Social icons
icon | Icon search engine
32x32
Pretty social media icons
Stumbleupon
256x256
Social Media Mini
48x48
Social Media Bookmark
Circular Social Media
Social, Stumbleupon
128x128
Icons Web 2.0