PNG ICO ICNS SVG MORE
Social media
Smooth
Social circle
Presentation, Slide, Slideshare
LightSeaGreen
512x512
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Balvardi Social Network Iconset
Social, tweet, twitter
128x128
Modern Web Social Icons
Stumbleupon
256x256
PNG MORE
Social and Web Icons v2
mobileme
46x46
upon, stumble
Social Keys Icon Pack
Vimeo
140x140
WPZOOM Social Networking Icon Set
64x64