posted by
hendrikboom at 07:12pm on 10/12/2007
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I just found http://recaptcha.net/
It describes a system web sites can use for distinguishing between humans and automata. As a side effect, it helps Carnegie Mellon digitize books.
It describes a system web sites can use for distinguishing between humans and automata. As a side effect, it helps Carnegie Mellon digitize books.
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