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| Group work frequently involves transitions between periods of active collaboration and periods of individual activity. We aim to support this typical work practice by introducing four tabletop direct-manipulation interaction techniques that can be used to transition the status of an electronic document from private to group-accessible. After presenting our four techniques – release, relocate, reorient, and resize – we discuss the results of an empirical study that compares and evaluates these mechanisms for sharing documents in a co-located tabletop environment. |
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