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Business & finance
Pixel
24x24 Free Pixel Icons
Heart
Firebrick
24x24
date
telephone
dice
Alarm
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Network & communications
16x16 Free Application Icons
prohibition, danger, reject
16x16
Desktop apps
Smooth
3D SoftwareFX
youtube
256x256
UI
Flat
Flat UI Free
Address, Book, bookmark
200x200
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Social media
Sociality Free
gmail
64x64
Round Simple Social Icons
58x58
google, plus
pinterest
3D
3D Box Social Media Icons
Box, plus, google
72x72
Box, youtube
Shopping & e-commerce
Commercio Free
exchange
48x48
Metro UI Dock
Uninstall, Mirror
640x640
Compaq, Mirror
Mirror, pinterest
Acrobat, adobe, Mirror
adobe, Flash, Mirror
Mirror, Compaq
Mirror, youtube
Compaq
512x512