The paradox of technology should never be used as an excuse for poor design. It is true that as the number of options and capabilities of any device increases, so too must the number and complexity of the controls. But the principles of good design can make complexity manageable.Despite living in a world wherein technologies are becoming increasingly complex, this does not mean that future designs must become overly so. Institution of the principles found in the text can aid in making designs, even those teeming with complex functionality, good designs. This is why Norman's book continues to experience undying appeal. Though my core shivers in saying it, there will always, most likely, be bad design. Those that are often categorized as bad, generally lack one or several of the principles elaborated in the text. Conversely in good design, in designs such as iPod, these principles are easily observed. Until such time comes that all designs may be classified as good design, this book will remain a definitive source in encouraging all designs to get there.
In evaluation of design the following are central:
- Conceptual Modeling
- Affordance
- Visibility
- Mapping/Natural Flow
- Feedback
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