Which algorithmic innovation, first implemented by Amazon in 1998, revolutionized e-commerce by creating personalized product recommendations based on user behavior patterns?

Personalized shopping experiences have transformed modern retail through groundbreaking technological innovations. From simple recommendation systems to advanced AI algorithms, the way retailers understand and predict consumer behavior has evolved dramatically. Test your knowledge about a key invention that revolutionized how companies deliver tailored shopping experiences to customers.

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Collaborative filtering system
Neural network prediction engine
Bayesian preference classifier
Dynamic pricing algorithm