The Business Case for Web Accessibility
http://www.andybudd.com/archives/2004/01/the_business_case_for_web_accessibility/

Budd, Andy
Blogography
2004

Abstract:

Makes the business case for catering to the widest audience possible. Identifies groups of people who have problems accessing the web, and explains how building web sites they are able to use can positively impact your bottom line.