How I Built This with Guy Raz reCAPTCHA and Duolingo: Luis von Ahn
May 25, 2020
Luis von Ahn, a brilliant computer scientist from Guatemala, shares his inspiring journey from creating CAPTCHA to co-founding Duolingo. He reveals how a chance encounter led to the development of reCAPTCHA, monetizing language learning while tackling email spamming. Von Ahn discusses the challenges of maintaining a free platform and navigating monetization, highlighting Duolingo's mission to democratize education. His path symbolizes innovation's intersection with personal challenges and societal needs.
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NY Times Contract
- The New York Times hired reCAPTCHA to digitize their 130-year archive.
- They charged $42,000 per year of content, digitized in about a week.
reCAPTCHA Accuracy
- reCAPTCHA used a two-word system, one known and one unknown.
- Correctly typing the known word validated the user and built confidence in the unknown word's transcription.
reCAPTCHA Acquisition
- reCAPTCHA became a profitable side hustle for Luis von Ahn and his student.
- Google later acquired reCAPTCHA.