Interactive technologies pervade every aspect of modern life. Web sites, mobile devices, household gadgets, automotive controls, aircraft flight decks; everywhere you look, people are interacting with technologies. These interactions are governed by a combination of: the users' capabilities; the things the users are trying to do; and the context in which they are trying to do them. All of these factors have to be appropriately considered during design if you want your technology to provide your users with a good experience.

Foundations for Designing User-Centered Systems...