Which company launched the first major commercial product recommendation system in 1998 that used collaborative filtering to suggest items with the famous "Customers Who Bought This Item Also Bought" feature?

Before AI and machine learning dominated retail recommendations, one pioneering e-commerce company created the first large-scale recommendation system that transformed how we shop online. This innovation analyzed customer purchase patterns to suggest products using collaborative filtering - a breakthrough that forever changed retail personalization. Test your knowledge about this pivotal moment in retail technology history that laid the groundwork for the sophisticated recommendation engines we interact with daily.

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Amazon
eBay
Barnes & Noble
Dell Computers