Which mathematical technique revolutionized e-commerce recommendation systems in 2006 when Netflix offered a $1 million prize for improving their algorithm?

In the intersection of mathematics and e-commerce, recommendation algorithms drive billions in sales annually. These sophisticated systems use mathematical models to analyze customer behavior and predict future purchases. As online retail has evolved, these algorithms have become increasingly complex, incorporating advanced concepts from linear algebra, statistics, and machine learning. Test your knowledge about how mathematical innovations have transformed the e-commerce landscape and recommendation systems.

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Matrix Factorization
Bayesian Networks
Decision Trees
Neural Networks