Massive-scale online collaboration | Luis von Ahn
TED · 4 HN recommendations
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Luis von Ahn, creator of CAPTCHA and reCAPTCHA, explains how small contributions from many people online can digitize books. He then introduces Duolingo as a way to translate the web while people learn languages.
Why HN recommends it: HN commenters recommend it as the clearest account of human computation and games with a purpose, straight from the inventor.
“I highly recommend watching the TED talk by Luis von Ahn, creater of CAPTCHA and reCAPTCHA.” Read on HN ↗