19 month ago
Andy Baio : reCaptcha - using the effort answering captchas to help digitize scanned books
Rod Begbie : What is reCAPTCHA? - This I like a lot -- CAPTCHAs partially made up of text that couldn't be OCR'd successfully (so bots are unlikely to crack it), the solving of which in turn helps the Internet Archive digitize books. [via] #
Matthew M. Boedicker : captchas that have the useful side effect of digitizing books - (via lifehacker) [via]
kaninka.net : reCAPTCHA - Digitizing Books One Word at a Time
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