Which AI application is widely recognized as the first major breakthrough that transformed retail operations in the early 2000s?

Artificial intelligence has transformed how retailers operate, from inventory management to customer experience. While today's AI applications in retail seem commonplace, the technology's retail journey began with specific breakthrough applications that paved the way for today's sophisticated systems. Test your knowledge about the early days of AI in retail and how it first made its mark in the industry.

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Recommendation engines that analyzed purchase history to suggest products to customers
Computer vision systems for automated checkout experiences
Natural language processing for customer service chatbots
Predictive analytics for dynamic pricing strategies