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Google Plus Interface Icons
sad, Emoticon
CornflowerBlue
128x128
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24x24 Free Application
sad
24x24
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Developpers
smiley, Emotion, Blue
32x32
Business & finance
Glyph
24x24 Free Application Icons
Network & communications
Pixel
16x16 Free Application Icons
16x16
UI
Blue, smiley, sad
Desktop apps
3D
Free Applications Icons
Character, emoticons, smiley