Which pricing innovation, introduced in the 1970s, revolutionized retail by allowing stores to stop individually marking each item with prices?

Before digital price tags and dynamic pricing algorithms, retailers used fascinating methods to communicate and adjust prices. This trivia question explores a pivotal moment in retail pricing history that transformed how stores operated and how consumers shopped. Test your knowledge about this revolutionary change in retail pricing strategies that shaped modern shopping experiences.

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Universal Product Code (UPC) barcode scanning
Price Look-Up (PLU) codes for produce
Electronic shelf labels (ESL)
Magnetic price tags with removable numbers