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Yahoo Research: Olivier announcing the winners
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Yahoo Research: The first prize winners!
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Yahoo Research: IMG_8833
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Yahoo Research: IMG_8834
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Yahoo Research: IMG_8835
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Yahoo Research: a double winner!
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Yahoo Research: Yi and Olivier, the organizers
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Yahoo Research: IMG_8838
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Yahoo Research: IMG_8849
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Yahoo Research: IMG_8839
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Yahoo Research: mojito to celebrate!
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Yahoo Research: IMG_8841
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Yahoo Research: IMG_8850
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Yahoo Research: IMG_8852
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Yahoo Research: IMG_8853
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Yahoo Research: IMG_8854
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Yahoo Research: winners dinner