Which music streaming service first introduced the concept of algorithmic personalized playlists that significantly changed how listeners discovered music?

The music industry is filled with fascinating marketing strategies that have shaped how we discover and consume music. From iconic album artwork to groundbreaking digital platforms, music products have been marketed in innovative ways throughout history. This trivia question explores a significant product marketing shift that changed how consumers interacted with music. Test your knowledge about the evolution of music product marketing!

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Spotify with 'Discover Weekly' in 2015
Apple Music with 'For You' in 2014
Pandora with 'Music Genome Project' in 2012
YouTube Music with 'Your Mix' in 2013