I don't really know how wide spread its use is, but there is already software that can solve captchas. Researchers have been able to get above 30% recognition r

I don't really know how wide spread its use is, but there is already software that can solve captchas. Researchers have been able to get above 30% recognition rate for captchas since january. http://internetcommunications.tmcnet.com/topics/broadband-mobile/articles/18772-yahoos-captcha-brokenis-spam-tsunami-the-offing.htm http://internetcommunications.tmcnet.com/topics/broadband-mo...