The blind programmers who created screen readers - The Verge
A fascinating account of the history of JAWS and NVDA.
Link tags: jaws
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The Tink Tank » Understanding screen reader interaction modes
Léonie gives a great, clear description of how screen readers switch modes as they traverse the DOM snapshot.
AJAX and Screen Readers - Content Access Issues - The Paciello Group Blog
Steve Faulkner gives a rundown of the current state of play between screen readers and Ajax.