Information on pinpoint locations can be extremely useful for mobile application developers, but that precise level of detail is difficult to achieve, especially indoors, where GPS signals and cellular service might be weak or unreachable. With this practical book, you'll learn how to use iBeacons with your applications to determine a user's location within a few inches and deliver timely, relevant information. Whether you are enabling a map, giving users directions and information, recommending purchases, or offering targeted advertisements, this book shows you how to build applications that use high-accuracy proximity information to drive user engagement. You'll learn how iBeacons offer such precise location information, how to set up iBeacons, and how to use them in applications that interact with and engage users. Learn the kind of data iBeacons transmit and how they provide proximity information to applications Explore how to enhance applications with proximity and range information Set up iBeacons on both specialized and general-purpose hardware Understand APIs and tools used to develop location-aware mobile applications