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High-precision location information is increasingly useful for mobile application developers, since it allows devices to interact with the world around them. This practical book shows you how to achieve arms reach accuracy with iBeacons, simple transmitters that enable your applications to react to nearby surroundings and then deliver timely, relevant informationespecially indoors, where GPS and cell service are inaccurate.Whether youre enabling a map, giving users directions, creating a game, recommending purchases, letting users check in, or creating an immersive experience, youll learn how iBeacons provide precise location information, empowering your applications to engage and interact with users nearby.Get examples of several application types you can build with iBeaconsLearn how iBeacons provide applications with proximity informationSet up, activate, and test iBeacons on both specialized and general-purpose hardwareExplore the APIs and tools you need to develop location-aware mobile applicationsUse built-in iOS features to interact with iBeacons, including PassbookBuild networks to help shoppers, travelers, conference attendees, and others find what theyre looking for