Signs on the Sand

W3C warns that using CAPTCHA on the Web is actually bad idea as it poses problems for those who are blind, have low vision or have a learning disability such as dyslexia. That makes sense.

2005-11-23: The WAI Protocols and Formats Working Group has released Inaccessibility of CAPTCHA: Alternatives to Visual Turing Tests on the Web as a Working Group Note. Requests for visual verification of a bitmapped image pose problems for those who are blind, have low vision or have a learning disability such as dyslexia. The note examines ways for systems to test for human users while preserving access for users with disabilities. Read about the Web Accessibility Initiative.

del.ico.us | digg it | reddit