Which company first implemented the collaborative filtering algorithm that uses matrix factorization techniques for its product recommendation system, now widely adopted across educational mathematics platforms?

The intersection of mathematics and marketing has created powerful tools for retail analysis and strategy development. From predictive analytics to algorithm-based recommendation systems, mathematical principles underpin many successful retail platforms. This trivia question focuses on a landmark digital marketing tool that revolutionized how mathematical concepts are applied to product recommendations.

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Amazon (Item-to-Item Collaborative Filtering)
Netflix (Cinematch System)
Coursera (Educational Content Recommender)
Wolfram Alpha (Mathematical Product Engine)