Which retail supply chain innovation, introduced by Walmart in the 1980s, required suppliers to attach standardized tracking labels and is credited with saving the company billions in inventory costs?

In the competitive world of retail, technological innovations have dramatically transformed how companies manage their supply chains and serve customers. Some breakthroughs have become so ubiquitous we hardly notice them anymore, yet they represented revolutionary advances that permanently changed retail operations. Test your knowledge of retail supply chain management history with this challenge about a game-changing retail innovation.

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Vendor-Managed Inventory (VMI)
Electronic Data Interchange (EDI)
Retail Link
Universal Product Code (UPC) compliance initiative