Which music streaming service first introduced the 'collaborative playlist' feature that allowed multiple users to add and edit songs in shared playlists?

The music industry has undergone dramatic transformations in how products are delivered to consumers. From vinyl to cassettes, CDs to digital downloads, and now streaming services, each technological shift has reshaped how we experience music. This question explores a pivotal product innovation that revolutionized music consumption in the digital era.

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Spotify
Apple Music
Pandora
Tidal