How Apple’s iBeacon location sensing tech works

Technology already in many iPhones whether you realize it or not
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iBeacon is an Apple specification that extends location services in iOS to include Bluetooth Low Energy (BLE) devices, specifically a broadcasting BLE radio called a beacon. It has the potential to usher in a new level of interactivity for the mobile user experience. Here’s how it works.

In your iPhone, iOS alerts apps when you come in range of a broadcasting iBeacon. The app can monitor location, estimate your distance to the beacon, and define the location based on the BLE signal instead of on GPS. iBeacon is already starting to change the mobile user experience. Here’s how it works.

(Read the main story: Apple's iBeacon turns location sensing inside out.)

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