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Mid-air gestures are initial hand poses with a subsequent movement. Existing gesture guides reveal this dynamic part of a gesture. Initial poses, however, are either revealed by space-consuming cheat sheets or time-consuming demonstration videos. Mime is a novel interaction concept that (1) reveals how to form complex hand poses and (2) teaches pose-command… (More)
In this paper a general overview of the concept of usability in interfaces of machinery is given, with a special focus on computer software. Amongst other things ulterior motives and the benefits of usable interface design are explicated. Moreover the concepts described are exemplified by their usage in Web design.