Jeff Avery

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Despite its popularity, the classic pinch-to-zoom gesture used in modern multi-touch interfaces has drawbacks: specifically, the need to support an extended range of scales and the need to keep content within the view window on the display can result in the need to clutch and pan. In two formative studies of unimanual and bimanual pinch-to-zoom, we found(More)
Multi-touch interaction on mobile devices typically consists of taps and swipes Simple gestures that don't exploit the full range of technical and human capabilities. Some devices offer more sophisticated, expert-level gestures, but these haven't yet been widely adopted. To determine what factors might be preventing widespread adoption of expert-level(More)