Which AI-powered music recommendation system first introduced the concept of 'Collaborative Filtering' that revolutionized how consumers discover new music?

The music industry has been transformed by artificial intelligence in recent years. From recommendation algorithms to AI-composed music, technology is reshaping how music is created, distributed, and consumed. This poll tests your knowledge about one of the most significant AI developments that changed how consumers discover new music - a technology that fundamentally altered retail music consumption patterns and created new opportunities for artists.

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Spotify's Discover Weekly (2015)
Pandora's Music Genome Project (2000)
Apple Music's 'For You' recommendations (2015)
Amazon Music's 'Similar Artists' feature (2007)