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Recently, growing numbers of mobile phones are appearing on the market that feature advanced navigation capabilities: with integrated GPS, embedded digital compasses or accelerometer-based tilt sensors, these devices promise to change the way people navigate, explore and interact with their physical environment in the near future. This paper outlines the(More)
This paper explores the design space of Smart Horizons -- mobile applications offering to look at virtual representations of the user's visible surroundings. We conducted an outdoor field study with a fully implemented spatially aware restaurant finder service, in which participants accessed points of interest (POI) virtually attached to nearby buildings.(More)
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