Which retail innovation was first to use machine learning algorithms to create personalized product recommendations at scale?

Amazon started as an online bookstore before expanding into the retail giant we know today. But which groundbreaking retail innovation has been credited with increasing average purchase values by up to 40% in e-commerce platforms? Test your knowledge of retail innovation milestones that have transformed how consumers shop and businesses operate. Understanding these game-changing developments provides insight into the evolution of modern commerce and consumer behavior patterns.

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Amazon's recommendation engine (1998)
Netflix's Cinematch system (2000)
eBay's 'Items You May Like' feature (2001)
Walmart's personalization platform (1997)