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UI
Glyph
Windows 8 metro style
Queen
DarkSlateGray
512x512
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question
26x26
question, shield
quote
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Smooth
Snipicons
qrcode
Windows 8 icons
shield, question
Pixel
Windows 8 Pack (Metro Style)
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Super Mono Stickers
sticker, question
64x64
Fugue Icons
quill
16x16
question, Silhouette, user