Accessibility issues of CAPTCHA

CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart. It is a system that almost always relies on a user’s vision to determine whether the user of a web site is a human or a bot. Unfortunately, due to its inherently visual nature, when CAPTCHAs were initially developed they were

The needs of people with mental health disabilities

Mental health disabilities (sometimes called “psychosocial disabilities”) are often overlooked when people think about accessibility. In fact, WCAG2 does not reference the needs of people with mental health disabilities at all. According to Healthdirect Australia, the main groups of mental health disabilities are: mood disabilities (such as depression or bipolar disorder) anxiety disabilities personality disabilities

The needs of people with cognitive disabilities

People with cognitive, language and learning disabilities comprise the largest group of those with disabilities accessing the web—approximately 15 to 20% of the population. It is important to remember that people with cognitive disabilities often have a problem in only one area of cognition and can be of average or higher-than-average intelligence. People with cognitive

From guide dogs to guide robots

Written by Rafal Charlampowicz, Contact him at LinkedIn This article is not about digital accessibility. It’s about guide robots and guide dogs and sometimes even about human guides. I hope it will be useful for robot designers  and interesting for people who would like to know more about guide dogs, guiding and navigation. Why don’t