Challenge of producing guidelines to address different needs.
- Need audio and synthesized speech;
- Need images, video, and graphics;
- Require time-independent control (e.g., those using serial
access or with physical disabilities);
- Require space-independent control (e.g., can't use the mouse to
navigate in two dimensions);
- May have more than one disability.
Note: Plain text help content is
not the best solution.