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| PerlMonks |
Re^2: howto: Perl CGI, image with random scewed text for account creationsby davidnicol (Acolyte) |
| on Mar 12, 2007 at 23:43 UTC ( [id://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.
In Section
Seekers of Perl Wisdom
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