The Railscasts site has been getting a lot of comment spam in the past, but no longer. In this episode I will show you how I solved this problem by using the Akismet web service

Jake Munson, creator of CFQuickDocs, discusses various methods for preventing spammers from attacking your forms. CAPTCHA is very popular, and there are also some new prevention techniques appearing on the horizon. He discusses the strengths and weaknesses of these different methods. He also talks ab...