"We are at a point in time when AI technology is advanced enough to make a significant difference in the lives of disabled people. The papers collected in this volume address many significant tasks and mention many more. They make it clear that researchers must understand what is needed by the disabled persons who will use the devices, as well as what is possible with the current AI technology. They also demonstrate that the benefits are not easily achieved. When the AI community is looking for meaningful challenges, these papers show us where to look."