Chapter 1

Introduction to accessible technology


Digital information, which is stored as a series of zeros and ones, must be transformed to be presented to any of a person’s senses, whether or not that person has a disability. Thus, the prevalence of digital information should be good news for people with perceptual or motor disabilities, who have often had limited access to printed and computer-based information. However, developers typically have implemented digital technologies without regard to access by persons with disabilities, and institutional purchasers of those technologies generally have not insisted on accessibility. Even when many cost-effective accessibility solutions exist, they often are not implemented. As a result, ...

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