Which music streaming platform was the first to introduce algorithmic personalized playlists that significantly changed how consumers discover music?

The music industry has been revolutionized by streaming platforms in the last decade. These platforms have changed how artists distribute music, how consumers discover new songs, and how revenue flows through the industry. This trivia question focuses on a key turning point in music streaming history that reshaped the retail customer experience and consumer trends in music consumption.

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Spotify with its 'Discover Weekly' feature (2015)
Apple Music with its 'For You' recommendations (2015)
Pandora with its 'Music Genome Project' (2000)
YouTube Music with its 'Your Mix' feature (2018)