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Business & finance
Glyph
Font Awesome
O, smile
Black
512x512
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Signs & symbols
Miscellany Web icons
Emoji, Face, smile
270x512
Avatars & smileys
Imoticons
laugh, Face, smile
smile, Emoticon
Face, smile, happy
Emoticon, happy, smile
Face, smiley, Emoticon
happy, Emoticon, smiley
smiley, Face, Emoticon
smile, happy, Emoticon
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Mobile apps
Free Retina Icon Set
ok, Face, pleasure
60x60
Vet, smile, Face
24x24 Free Application Icons
smile
Orange
24x24
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UI
Free Mobile Icon Kit
ok, smile
64x64
smile, hollywood
Social media
Pyconic Icons 3 - free
Ninja, smile
Mixed
Retina Display Icons
smile, smiley
Silver
sad, smile
Desktop apps
16x16 Free Toolbar Icons
smile, smiley, Face
Khaki
16x16
yellow, Face, Emoticon
Bad, smile, Emotion
sexy, talk, smiley
Neutral, Emoticon, sadly
Face, smiley, Emotion