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RE: What assistive technology does (and doesn't do)


From: Derek Featherstone
Date: Dec 16, 2003 2:20PM

Rachel Tanenhaus wrote:
> I think the question the designers had was
> more along the lines of, "Well, if there's ONE behavior that
> we can attribute to all AT, are there others? Is there a
> list of such behaviors? And if so, at what point would a
> behavior make a list - if 80% of the available technologies
> perform the behavior, if one technology with 90% of the
> market performs the behavior, etc.?"

Hi Rachel -- perhaps this may be more along the lines of what you are
looking for:

The Assistive Device Behaviour Chart, maintained by Gez Lemon over at

It isn't completely exhaustive, but it is a great start. As we all learn
more about AT behaviours, we are encouraged to contribute to the chart so
that we all benefit.

Best regards,
Derek Featherstone <EMAIL REMOVED>
Web Accessibility Specialist / Co-founder of WATS.ca
Web Accessibility Testing and Services
http://www.wats.ca 1.866.932.4878 (North America)

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