Section Two: Designing Behavior and Form--Part II: Achieving Goals and Removing Barriers

Chapter 8: Software Posture

Chapter 9: Orchestration and Flow

Chapter 10: Eliminating Excise

Chapter 11: Navigation and Inflection

Chapter 12: Understanding Undo

Chapter 13: Rethinking Files and Save

Using most of today's digital products is like driving a car that has been rolled down a cliff: You must climb in through the window, none of the lights seem to work, the engine makes a suspicious clunking noise, and spans of sheet metal fly off at inopportune moments. Why must it be that the manufactured artifacts in our lives are increasingly harder to use and understand as they incorporate more technology?

We have many noble experiments, successes, and failures to observe in interaction design today—but designers can often barely agree on the details, let alone the larger issues. The bulk of what passes for interaction design is either guesswork or imitation. The frustrating thing is that it doesn't have to be that way. The chapters in this section address these larger issues of interaction design.