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UI
Glyph
Typicons
Circular, twitter, Social
Black
512x512
Social, twitter
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Windows 8 metro style
twitter
DarkSlateGray
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Metro UI Dock
Mb, twitter
DarkTurquoise
252x252
Mimi Glyphs
16x16
Windows 8 icons
26x26
System Tray Icons v2
IconSweets
50x50
Ecqlipse 2
twitter, bird, Animal
128x128