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| The stupid question is the question not asked | |
| PerlMonks |
Re^2: howto: Perl CGI, image with random scewed text for account creationsby davidnicol (Acolyte) |
| on Mar 12, 2007 at 23:43 UTC ( #604452=note: print w/ replies, xml ) | Need Help?? |
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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.
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