brains-N-brawn.com: http://www.brains-n-brawn.com/default.aspx?vDir=aicaptcha

Using AI to beat CAPTCHA and post comment spam

L337 subtitle = How 2 0wnz blogz

Interesting stuff, with an odd methodology (trying things live rather than keeping it all in an Academic sandbox) which, I think, will have the desired effect of stirring things up. The comments about harnessing a human farm of CAPTCHA beaters is sad, but ultimately true and just the same as outsourcing to third world counties for cheap labour.

(from http://weblogtoolscollection.com/)