Forum: Ruby on Rails How to check for a real person?

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sultan (Guest)
on 2009-03-19 17:51
(Received via mailing list)
Some sites have some checks to make sure that the data is being sent
by a real person.
Something like this:

See this code? [there is a image here with random letters and
Re-type it here  [you have to enter exactly what is show above]

Any help will be appreciated.
Lee S. (Guest)
on 2009-03-19 17:55
It's called Captcha

Here's 10 examples (reCaptcha probably being the most common):
sultan (Guest)
on 2009-03-19 21:02
(Received via mailing list)
Thanks Lee, this helps me a lot.

On Mar 19, 9:55 am, Lee S. <removed_email_address@domain.invalid>
Lee S. (Guest)
on 2009-03-19 23:09

implement a negative captcha!  I kind of like this idea.
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