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1. Users might have really different mental models when using an applications. We would In the task of finding information about Joe that Bob could see, phase 1 users would click on Joe's photo to see the information that Bob could view about Joe. However, phase 2 users to view the same information. We identified that different users model the direction of the flow of this information differently. We should try to include both of the designs to accommodate our app to different users. For example, providing multiple ways to view how others see about your location information.
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