Which machine learning technique do major music streaming platforms primarily use to generate their 'Recommended for You' playlists?

In today's digital music landscape, streaming platforms use sophisticated machine learning algorithms to enhance user experience. These AI systems analyze listening habits, create personalized recommendations, and even predict emerging trends. How well do you understand the technology powering your daily soundtrack? Test your knowledge about how machine learning shapes the music industry and influences what ends up in your ears!

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Collaborative Filtering - analyzing patterns across many users who have similar listening habits
Sentiment Analysis - evaluating song lyrics to match with your current mood based on recent activity
Random Forest Algorithms - categorizing songs solely by genre, tempo, and release date
Reinforcement Learning - having AI listen to each song and rate its musical quality