Which e-commerce company first implemented a sophisticated AI-based product recommendation system that significantly influenced the industry standard?

Artificial intelligence has transformed retail operations across the globe, from inventory management to personalized shopping experiences. But which company pioneered the implementation of AI for product recommendations that fundamentally changed e-commerce? This question explores the history of retail AI innovation and the early adopters who shaped modern shopping experiences. Test your knowledge of the technological foundations that power today's sophisticated retail environments.

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Amazon with its item-to-item collaborative filtering algorithm (1998)
eBay with its BiddingBuddy recommendation system (1997)
Alibaba with its Taobao Magic Mirror algorithm (2000)
Rakuten with its Dynamic Preference engine (1999)