Forum: Ruby on Rails Captcha Rules

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553eecd4f9b81ada4b21a755efe025e6?d=identicon&s=25 Jazzy Buddy (jazzybuddy)
on 2007-04-13 12:32
Hi Everyone out there,
   Can anybody tell me what are the rules for designing captcha.
That is, should it have only limited number of letters and things like
that...

THNX,
Jazzzzzzzzzzzy,
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