Which retail big data innovation did Walmart pioneer in the early 2000s that dramatically improved their supply chain efficiency and is now standard across the industry?

In today's competitive retail environment, big data has transformed how businesses understand customer behavior and optimize operations. From predictive analytics that forecast demand to sentiment analysis that gauges customer satisfaction, retailers now leverage massive datasets to gain competitive advantages. This poll tests your knowledge about a significant retail big data innovation that revolutionized inventory management and customer insights.

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Retail Link - A data warehouse system giving suppliers access to point-of-sale data and inventory levels
ShopperTrak - A foot traffic analysis system using ceiling-mounted sensors to optimize staffing levels
PredictAisle - An AI-driven planogram optimization tool that determines ideal product placement
CustomerGenome - A behavioral segmentation system that creates detailed shopper personas from transaction data