Which machine learning technique did Netflix famously use in its $1 million algorithm competition to improve content recommendations?

The film and television industry has evolved dramatically with streaming services revolutionizing how content is delivered and consumed. Behind these platforms lies sophisticated machine learning algorithms that analyze viewing patterns and preferences. This trivia question tests your knowledge about how streaming platforms use retail machine learning concepts to enhance the customer experience and drive content decisions.

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Matrix Factorization
Random Forest Classification
Recurrent Neural Networks
K-means Clustering