Which pioneering recommendation algorithm did Netflix use in its $1 million Netflix Prize competition that significantly improved their content suggestion accuracy?

Streaming platforms have revolutionized how we consume film and television content, but their success relies heavily on sophisticated recommendation systems. These systems analyze viewing habits, preferences, and behaviors to suggest content that keeps viewers engaged. Test your knowledge of how these entertainment giants keep you watching 'just one more episode' through their personalized recommendation algorithms!

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Matrix Factorization
Content-Based Filtering
Demographic Clustering
Simple Rating Average