Subtle Interaction Techniques for Ubiquitous Displays

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Computers are spreading throughout our environment as embedded interactive displays, and whole-body tracking is poised to become a primary method of input. This could radically change how, when, and where we access digital information. The challenge is that this new computing context requires fundamentally different approaches to the tightly linked aspects of input, interaction, and visualization. Two central concerns about current approaches are that waving your hands for input is tiring and feels socially conspicuous, and attention-seeking displays will add cognitive demands and compromise the visual aesthetics of the environment. However, when interaction is made subtle ("fine or delicate in meaning or intent"), these combined issues of comfort and aesthetics are addressed most appropriately. This work develops and promotes "subtle interaction" as a Human-Computer Interaction paradigm.