The Accessibility Problem With Authentication Methods Like CAPTCHA

The Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA) has become ingrained in internet browsing since personal computers gained momentum in the consumer electronics market. For nearly as long as people have been going online, web developers have sought ways to block spam bots.The CAPTCHA service distinguishes between human and bot activity to keep bots out. Unfortunately, its methods are less than precise. In trying to protect humans, developers have made much