Dennis and Ross discuss different methods of implementing CAPTCHA on the web and how to make it accessible.
- CAPTCHA on Wikipedia
- Proposal for an Accessible Captcha
- Inaccessibility of CAPTCHA
- Alternatives to Visual Turing Tests on the Web
- CAPTCHA is bad for accessibility
- Improving accessibility for today’s AJAX – To hack or not? from Access Matters
- Refresh Detroit February meetup