CATCHA was Re: Erlang port to the Java Virtual Machine

Yariv Sadan yarivvv@REDACTED
Fri Jun 2 02:51:21 CEST 2006

On 6/1/06, Richard A. O'Keefe <ok@REDACTED> wrote:
> Before deploying CAPTCHAs, please *do* think carefully about the
> fact that some real genuine entirely innocent human beings cannot
> cope with them.  For blocking entry to a collection of photographs,
> it might make sense to use a technique that the blind and partially
> sighted can't even see let alone solve; for other things there are
> humane reasons not to use them.  You might even want to consider
> legal advice about whether shutting the disabled out is legal in
> your country.

Yes, you are making a very important point. It didn't even occur to me
earlier as I was just thinking about the technical challenge of using
CAPTCHAs with Yaws. Do you know of an alternative solution for
blocking automated spam bots while being usable by the blind?


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