TED talks.
The best speakers with the most amazing topics. What do you want more.
the first bit just covers how they went from captcha to recaptcha, and why, which most here already know. the second part uses those ideas to explain their new website - duolingo.com
posted by my15minutes
1 decade 2 years 11 months ago • 1,441 views • 16:40Not yet a member? No problem!
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