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Gestures
Flat
Studying
intelligence, Gestures, Thinking
Black
512x512
Animals
Educational Icons
bird, Animals, birds
shapes
iOS7 Set Filled 1
Thinking, intelligence, shapes
Education
iOS7 Premium
Puzzles, education, Fun
other
Social
Light bulb, intelligence, light
Universal 05
technology
intelligence, user, Thinking
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Education & science
Outline
Miscellaneous
Brain, artificial, hemisphere
477x512
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Shopping & e-commerce
3D
Amazon AWS Stencils
demand, intelligence, turk
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Desktop apps
Demo Professional Toolbar Icons
by, All, Keep
DodgerBlue
48x48
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Information, Communication, clue
64x64