Computers can greatly improve the lives of people with disabilities, but Charlotte Renner reports that blind people can't access much of the very visual content on the World Wide Web. Adaptive software can help, but some web designers are trying to create sites that can be accessed by people who can't see well enough to point and click with a standard mouse. (4:30) (Note: The website mentioned in this story is http://www.cast.org. This link will open in a new browser window.)
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