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Network Programming with Swift: Tools and Techniques to Create iOS and OS X Apps that Network by Karl Kowalski

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6. Bluetooth Communications

“The Bluetooth communications protocol in [computers, mobile phones, etc.] is named after [king Harald ‘Bluetooth’ Gormsson, 935-985/6] because he unified Denmark and Norway much like the technology whose goal was to unify computers and cellular phones.”

Wikipedia (http://en.wikipedia.org/wiki/Harald_Bluetooth)

Bluetooth is the wireless communications protocol that computers and other devices use to transfer data over short ranges to other Bluetooth-equipped devices. Bluetooth uses only small amounts of power, which allows for its use in battery-powered devices such as cell phones, headsets, keyboards, mice, and numerous other machines that usually remain within a short distance from the computer they’re communicating ...

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