On Wed, 2008-04-23 at 14:43 +0100, David J. Ruck wrote: > John-Mark Bell <[EMAIL PROTECTED]> wrote: > > On Wed, 23 Apr 2008, Paul Stewart wrote: > > > I have produce a web form and a captcha script to stop spamming of the > > > form. > > > > Ugh. Why is is that most captchas are a) illegible and > > Thats the idea, after all, otherwise a simple bit of OCR would break them.
Research shows that OCR is more effective at reading them than humans are. Semantic CAPTCHAS are by far the most effective. B.
