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MapThe initial map was too complicated for a small screen. We later created a simplified version of mall map for elder iPhone users. Group IconsWe have gone through many iterations to represent a group. Our final icon for group effectively represents the connection of multiple individuals. PhonesWe had both touch screen and buttons to give more navigation options, but it made the interaction more complicated. We later noticed that having an entire touch screen is easier for the case of map interaction.
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Basic Interaction Design 2009. Human-Computer Interaction Institute . Carnegie Mellon University |