Concepts inInteraction design is still an art form.: ergonomics is real engineering
In design, human¿computer interaction, and software development, interaction design, often abbreviated IxD, is "about shaping digital things for people¿s use", alternately defined as "the practice of designing interactive digital products, environments, systems, and services. " Like many other design fields interaction design also has an interest in form but its main focus is on behaviour.
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