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TheCaptchaExperiment.com: The results are in (thecaptchaexperiment.com)
2 points by abrichr on Dec 3, 2011 | past
Show HN: The Captcha Experiment (v0.2) (thecaptchaexperiment.com)
6 points by abrichr on Nov 25, 2011 | past
Show HN: The Captcha Experiment (thecaptchaexperiment.com)
15 points by abrichr on Nov 16, 2011 | past | 16 comments

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