Which music streaming innovation first introduced the 'collaborative playlist' feature that revolutionized social music consumption and became a standard industry practice?

The music industry has undergone tremendous changes with the advent of digital platforms and streaming services. This transformation has not only altered how music is consumed but has fundamentally changed product development cycles, marketing strategies, and revenue models for artists and labels alike. Test your knowledge of how e-commerce trends have reshaped the music business landscape in the streaming era.

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Spotify (2008)
Apple Music (2015)
Pandora (2010)
TIDAL (2014)