Which recommendation algorithm technique famously helped Netflix improve its recommendation accuracy by 10% and led to a $1 million prize competition in 2009?

In today's competitive retail landscape, recommendation systems have become essential tools for e-commerce success. These sophisticated algorithms analyze customer data to suggest products, increasing average order value and enhancing customer experience. How well do you understand the technology powering the 'You might also like' suggestions that influence billions of purchasing decisions annually? Test your knowledge of recommendation system technology that drives modern retail strategy.

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Matrix Factorization
Association Rule Mining
Content-Based Filtering
Random Forest Clustering