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Re: Why Captchas?

for

From: Alastair Campbell
Date: May 23, 2007 4:02AM

> What I can't quite understand is why so many sites use them in
> preference to the option that I much prefer - of the site sending you
> an email, with a clickable link to complete your registration.

It is relatively easy to script a bot that can receive and respond to an
email, which means it isn't a good method of preventing bots.

Not that CAPTCHA is either, especially when people are being paid to
break them.

Kind regards,

-Alastair

--
Alastair Campbell | Director of User Experience

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