Which streaming platform first implemented 'collaborative filtering' as a major component of its recommendation algorithm to analyze user behavior patterns?

The music industry has been transformed by streaming services that collect massive amounts of customer data. This trivia question explores how major music platforms are using big data analytics to shape artist recommendations and marketing strategies. Test your knowledge of how modern music retail has evolved beyond simply selling tracks to creating personalized listening experiences driven by sophisticated algorithms and consumer behavior analysis.

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Spotify (2006)
Apple Music (2015)
Pandora Radio (2000)
YouTube Music (2018)