On Wed, 2008-04-23 at 14:43 +0100, David J. Ruck wrote:
John-Mark Bell <jmb(a)netsurf-browser.org> 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.