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UI
Pixel
Fugue Icons
Circle, Arrow
CornflowerBlue
16x16
Book, exclamation
Minus, Book
Book, pencil
Book, plus
Control, 270
square, stop, Control
stop, square, Control
Up, Counter, count
music
television, Arrow
exclamation, television
television, Minus
pencil, television
television, plus
television
24x24
Desktop apps
002
Diagona Icons
007
020
028
030
flag, 073
graph, math
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Social media
Dead simple
twitter
15x15