Which retail company was first to implement a sophisticated machine learning system for product recommendations at scale, changing the industry standard for personalization?

Machine learning has revolutionized the retail industry, allowing companies to predict consumer behavior, personalize marketing, optimize inventory, and enhance the customer experience. But which retailer was truly first to harness the power of machine learning at scale? Test your knowledge about the early adoption of AI in retail and see if you can identify which company pioneered this technological revolution in the industry.

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Amazon with its item-to-item collaborative filtering algorithm (1998)
Walmart with its customer purchase prediction system (1995)
Target with its pregnancy prediction analytics (1997)
Best Buy with its recommendation engine (1999)