Which groundbreaking retail analytics technology was first invented in 1916 by Charles F. Kettering but wasn't widely adopted by retailers until the 1970s?

Throughout history, inventions and discoveries have transformed how retailers understand customer behavior. From simple mechanical counters to sophisticated AI algorithms, the evolution of retail analytics has been remarkable. This trivia question explores a pivotal moment in retail analytics history that changed how businesses measure and optimize customer experience. Test your knowledge about the technological breakthrough that revolutionized how stores track and analyze shopper behavior!

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Electronic Point of Sale (EPOS) system
Automated customer traffic counter
Barcode scanner
Heat mapping technology