Which company pioneered the first commercial recommendation engine, introducing collaborative filtering technology that would later revolutionize online retail personalization?

The development of recommendation algorithms has transformed how we shop online, with personalized suggestions becoming a cornerstone of modern retail. These AI-driven systems analyze our browsing patterns, purchase history, and preferences to create tailored shopping experiences. Test your knowledge about the origins of this revolutionary retail technology that has changed consumer behavior forever!

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Amazon with its 'Customers Who Bought This Also Bought' feature (1998)
Netflix with its movie recommendation system (2000)
GroupLens Research Project at the University of Minnesota (1994)
eBay with its 'Similar Items' suggestions (1997)