Which invention, first commercially implemented in 1974, revolutionized retail analytics by enabling automated data collection at checkout and is considered the foundation of modern retail big data?

The retail industry has been transformed by technological innovations that changed how businesses understand consumer behavior. One pivotal invention revolutionized retail analytics and gave birth to the era of retail big data, allowing businesses to track, analyze, and respond to customer shopping patterns in real-time. This innovation fundamentally changed inventory management, pricing strategies, and personalized marketing. Test your knowledge about this game-changing retail technology!

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Universal Product Code (UPC) barcode scanning system
Electronic Point of Sale (EPOS) touch-screen terminals
Radio Frequency Identification (RFID) inventory tags
Digital Customer Loyalty Cards