What location-based technology uses small sensors to send messages to smartphone users who enter a nearby,defined geographic area?

Question

Quizplus · Accepted Answer

Geo-fencing technology uses small sensors to create a virtual boundary around a particular geographic area. When a smartphone user enters this boundary, they are sent targeted messages, offers or notifications via their device. This technology has become increasingly popular with retailers and marketers looking to target consumers in specific locations, such as in-store promotions or events.

What Location-Based Technology Uses Small Sensors to Send Messages to Smartphone