- He has been named one of the "50 Best Minds in Science" by Discover magazine, one of the "100 Most Creative People in Business of 2010" by Fast Company magazine, one of the "Brilliant 10" scientists of 2006 by Popular Science magazine, one of the 50 most influential people in technology by Silicon.com, and one of the "Top Innovators in the Arts and Sciences" by Smithsonian Magazine.
- He is widely recognized for having invented CAPTCHAs, receiving the prestigious MacArthur "Genius" Grant, giving popular TED talks and selling 2 companies to Google in his 20s.
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