Which retail analytics technology was directly developed from military radar systems used during World War II?

Many of today's standard retail technologies and analytics systems have fascinating connections to military history. From inventory management systems developed during wartime logistics operations to customer tracking technologies with roots in surveillance, the military-retail connection runs deep. Test your knowledge about how military innovations have transformed the modern shopping experience and retail analytics landscape.

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RFID inventory tracking systems, which evolved from IFF (Identify Friend or Foe) transponder technology developed in 1939
Barcode scanners, which evolved from Navy signal lamp communication systems
Electronic shelf labels, which derived from battlefield command display boards
Store traffic counters, which were adapted from Army personnel counting systems