Which retail technology innovation, introduced in the 1970s, made possible the collection of detailed customer purchasing data and led to the development of modern personalized shopping experiences?

The world of retail has been transformed by numerous inventions and discoveries throughout history. One particular innovation revolutionized how retailers understand and target customers, fundamentally changing the relationship between stores and shoppers. This poll tests your knowledge about a pivotal retail technology development that led to the modern era of personalized shopping experiences and targeted marketing we know today.

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Universal Product Code (UPC) barcode scanning
Radio Frequency Identification (RFID) tags
Electronic Point of Sale (EPOS) touchscreen systems
Digital shopping carts with integrated displays