Beyond touch: designing effective gestural interactions — from blog.invisionapp.com by by Yanna Vogiazou; with thanks to Mark Pomeroy for the resource
The future of interaction is multimodal.
Excerpts:
The future of interaction is multimodal. But combining touch with air gestures (and potentially voice input) isn’t a typical UI design task.
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Gestures are often perceived as a natural way of interacting with screens and objects, whether we’re talking about pinching a mobile screen to zoom in on a map, or waving your hand in front of your TV to switch to the next movie. But how natural are those gestures, really?
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Try not to translate touch gestures directly to air gestures even though they might feel familiar and easy. Gestural interaction requires a fresh approach—one that might start as unfamiliar, but in the long run will enable users to feel more in control and will take UX design further.
Forget about buttons — think actions.
Eliminate the need for a cursor as feedback, but provide an alternative.