14 Same Game, Different Fields: Special Applications, Special Issues
Theme and Variation, Again
Everyone believes his or her own problems are special. There is always a certain foundation of truth to this belief, even when the problems are prosaic. On the other hand, common concepts underlie the design of doorknobs and digital imaging systems, kiosks and kitchen timers. The versatile designer is one who knows how to play the game well enough to play it just a little bit differently in different fields.
In this chapter, we will move ...