March 2000
Intermediate to advanced
256 pages
6h 43m
English
There is no progress without struggle.
—Frederick Douglass
So that we can discuss interface with precision, a few definitions and conventions of notations are introduced here. We use these tools, building on the notion of locus of attention from Chapter 2, to understand modes and their harmful effects on interface design. We introduce a beneficial property of interfaces, called monotony, which leads to a critique of interfaces that have beginner and expert modes.
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