Digitizing Books One Word at a Time | Hacker News

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		Digitizing Books One Word at a Time (recaptcha.net)
		1 point by buugs on Nov 6, 2009 \| hide \| past \| favorite \| 1 comment

buugs on Nov 6, 2009 [–]

I might be in the minority but I didn't know this about recaptcha and found it interesting as well as the pdf they provide: http://recaptcha.net/reCAPTCHA_Science.pdf

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