Which mathematical algorithm fundamentally transformed e-commerce product recommendation systems and was the subject of a $1 million prize competition by Netflix in 2009?

The intersection of mathematics and digital marketing has revolutionized how products reach consumers. Algorithms and statistical models now power sophisticated recommendation systems that can predict consumer preferences with remarkable accuracy. This poll tests your knowledge about a groundbreaking mathematical advancement that changed the product recommendation landscape forever.

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Matrix Factorization
K-Means Clustering
Random Forest Classification
Neural Collaborative Filtering