The reality is that accessibility is simply a key part of UX. A truly outstanding digital experience is a fusion of accessibility, usability, creativity and technology. The trick is to weave those things together, and to do that successfully there needs to be a cross pollination of skills and expertise.
The good news is that accessibility is usability under a magnifying glass. If you’re thinking about great usability, the chances are that you’re already thinking about great accessibility too.
Activity-Centered Design (ACD) focuses on the activity context in which individuals interact with your product. Instead of analyzing specific goals and tasks, ACD focuses on the analysis of meaningful, goal-directed actions supported by tools and artifacts in a social world
In my experience, the range of parameters devised is fairly large and it is easy to get lost in selecting configurations or even anticipating how well they will fit user needs. Still, these tactics seem important for practitioners to apply when appropriate. The challenges strike me as fundamental, given the range of needs and potential interface designs.