This document discusses beacons, which are Bluetooth devices that broadcast signals to nearby smartphones and other devices. It provides background on beacons, including that Apple introduced iBeacons in 2013. It then lists some of the key benefits of beacons such as helping with customer insights and automating purchases. Examples are given of industries that use beacons, including retail, hospitality, education and healthcare. It also discusses who owns beacon technology and some of the problems with beacons like lack of precision and technical limitations.