Frontend Usability InfoCentre - Text-only is not accessible

Here's a good article from frontend.com:

Text-only is not accessible

Text-only websites are not suited to all users with impairments. Although
they are often ideal for users who are blind and use a screen reader,
accessibility goes far beyond this user group.


http://infocentre.frontend.com/servlet/Infocentre?access=no&page=article&row
s=5&id=286