From Scratch with Jessica Harris

Luis Von Ahn - Founder of Recaptcha and Duolingo

Luis is an inventor and computer science professor at Carnegie Mellon. He is one of the creators of CAPTCHA, a system that allows websites to determine whether you’re a human or a computer. CAPTCHAs are wavy, distorted words that people need to type out when they’re submitting a form to a website. Luis’ company ReCAPTCHA […]

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• Luis von Ahn

Notes

• ▶ Who Invented Captcha at 2:30 Share Transcript
• ▶ What Are Games With Purpose at 6:03 Share Transcript
• ▶ Did Captcha Ever Make Any Money at 8:25 Share Transcript
• ▶ Why Did Luis Von Ahn Start Duolingo at 13:58 Share Transcript

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