At that time, computers were being used to scan books to make them digitally readable, but weren’t really good at this, especially with older volumes. Captchas had been reducing internet spam, but I started to feel guilty - humanity was wasting around 500,000 hours per day solving these annoying things. Google acquired this in 2005 and called it the Google Image Labeler.Ī second project was reCAPTCHA.
In this way, thousands of people collectively helped tag pictures with meaningful captions. So I created a game that randomly showed two players an image - they would win if they both used the same words to describe it. For example, I noticed that search engines were bad at indexing images without captions. Can you give me some background on your previous projects?īefore Duolingo, I was working on projects that got humans to help solve problems too complex for computers. In doing my research for this interview I read your impressive profile and discovered that you, along with others, invented CAPTCHA. Luis has been named one of the 10 Most Brilliant Scientists by Popular Science Magazine, one of the 50 Best Brains in Science by Discover, one of the Top Young Innovators Under 35 by MIT Technology Review, and one of the 100 Most Innovative People in Business by FastCompany Magazine.Īmong other accolades, Luis has been honored by President Obama with a Presidential Early Career Award and was selected to personally present Duolingo to the president at the White House’s first Demo Day last August. He is known for inventing CAPTCHAs, receiving a MacArthur “Genius” grant, giving popular TED talks and selling 2 companies to Google in his 20s. Luis von Ahn, Duolin go’s co-founder and CEO, is an entrepreneur and computer science professor at Carnegie Mellon University.
As for who I am, I feel self-conscious in answering this question so I’m just pasting the mini-bio we use for conferences. I believe everyone should have access to high-quality education. Who is Luis von Ahn and what does he believe?
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