Which retail giant was first to implement an AI recommendation engine that fundamentally transformed their business model and set the industry standard for personalization algorithms?

Artificial intelligence has fundamentally transformed the retail landscape, creating personalized shopping experiences, optimizing inventory, and revolutionizing customer service. Major retailers have invested billions in AI capabilities, but some pioneered these technologies earlier and more aggressively than others. This trivia question challenges you to identify which retail giant made the earliest significant commitment to AI that transformed their business model.

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Amazon with its product recommendation system (1998)
Walmart with its inventory prediction algorithm (2002)
Target with its customer pregnancy prediction model (2004)
Alibaba with its AI fashion assistant (2007)