so... there would only be 4 possible choices for a bot to make to guess correctl... | Hacker News

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		emedchill 10 months ago \| parent \| context \| favorite \| on: Captcha idea: Ask visitors which direction a optic... so... there would only be 4 possible choices for a bot to make to guess correctly?

emedchill 10 months ago [–]

left, right, up, and down?

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