Thanks Lee, this helps me a lot.
On Mar 19, 9:55 am, Lee Smith <[email protected]>
wrote:
> It's called Captcha
>
> http://en.wikipedia.org/wiki/Captcha
>
> Here's 10 examples (reCaptcha probably being the most common):
>
> http://woork.blogspot.com/2009/02/10-free-captcha-scripts-and-service...
> --
> Posted viahttp://www.ruby-forum.com/.
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