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Originally Posted by ufoman  I like the math question CAPTCHA method. I have a friend who is legally blind and can't read the distorted background and high levels of warping on the text that is normally used. It would even be nice if the person the challenge is going out to had a choice of which kind of CAPTCHA method they use. |
reCAPTCHA has the ability to 'say' what the words are. The user just listens and then types in the two words.
Allowing a user to choose would allow a spammer to choose the method thats easiest to crack, but I may add that as an option.