This year’s blog action day is dedicated to the power of WE. Given this bolg’s focus on accessibility I can see many ways that we can help for accessibility. Sometimes even without knowing about it. The story of CAPTCHA and reCAPTCHA that follows is just an example of such a case.
CAPTCHA which is an abbreviation for Completely Automated Public Turing Test To Tell Computers and Humans Apart is something that most of us have come across in our web browsing. It’s a picture with a set of words presented in a distorted way that aims to tell humans from computers apart. It is usually found in cases where developers want to avoid spamming.
However, as successful as CAPTCHAs might be in avoiding spamming in various cases they are also very successful in preventing people with disabilities to comment, respond, and use whatever feature is protected by a CAPTCHA. How could a blind person see and understand what is written in an image which doesn’t have and alternative text? How could a persons with dyslexia and other print disabilities use them? Read the rest of this entry »