Which mathematical concept fundamentally transformed e-commerce product recommendation systems and is credited with increasing sales by up to 30% on major platforms?

Behind every successful e-commerce platform lies sophisticated mathematical algorithms optimizing everything from inventory to customer recommendations. This poll tests your knowledge of how mathematics powers modern e-commerce solutions. Can you identify which mathematical approach revolutionized product recommendation systems across major online retailers?

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Matrix factorization and collaborative filtering algorithms
Bayesian probability networks
Markov decision processes
Euclidean distance clustering