Your customer base probably includes many people with disabilities, whether you're aware of it or not.
Articles Find articles for developers and testers about accessibility issues.
The Microsoft Windows Guidelines for Accessible Software Design provide developers and others with the information they need to design and build accessible applications. This version of the guidelines was released on December 29, 1999. Hardware Guidelines Find guidelines and resources for creating hardware that is accessible to people with disabilities. Web Guidelines Get guidelines, tools, a checklist, and examples of accessible sites for Web site managers and developers. It is important that your product and user documentation are accessible.