Which machine learning model forms the core of Spotify's music recommendation system?

Streaming platforms have revolutionized how we discover music, with sophisticated algorithms working behind the scenes. These recommendation systems analyze listening habits, preferences, and even acoustic features to suggest new tracks. But how much do you know about the specific technology powering one of music's biggest platforms? Test your knowledge about the recommendation technology behind your daily music discoveries!

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Collaborative Filtering Matrix Factorization
Simple Keyword Matching
Random Forest Decision Trees
GPT-based Natural Language Processing