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Social media
Pixel
32 Pixel Social Media Icons
Readernaut
DarkSlateGray
32x32
Roboto
Gainsboro
Reddit
Scribd
DarkOliveGreen
Skype
DeepSkyBlue
Rss
DarkOrange
slashdot
Teal
Slideshare
WhiteSmoke
Sphin
YellowGreen
Spotify
DarkGreen
Squidoo
CornflowerBlue
stumble
DarkCyan
Threadless
Technorati
LimeGreen
Facebook
Olive
Tumblr
Twinkle
DarkSlateBlue
twitter
Viddler
Firebrick
Vimeo
SteelBlue
Vizualizeus
Black
Virb
Windowslive
Wiki, wikipedia