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April 30, 2012

An impression of Panama

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March 8, 2012

Peter Diamondis on abundant human potential

1 response
December 28, 2011

High-tech cleanliness

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December 12, 2011

TEDx: Captcha and Duolingo — massive-scale online collaboration

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April 30, 2011

The “Monsanto is evil” puzzle

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