over at akismet they use simple math problems. Simple multiple choice problems would also work. Keeping the data in plain text, so all the sensorilly deprived but still plain text capable people can handle it -- brilliant.

In reply to Re^2: howto: Perl CGI, image with random scewed text for account creations by davidnicol
in thread howto: Perl CGI, image with random scewed text for account creations by exodist

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