Which music streaming service pioneered the 'freemium' model that revolutionized how digital music was packaged and sold to consumers?

The music industry has undergone dramatic changes in how products are packaged and delivered to consumers. From vinyl records and cassette tapes to CDs and now digital streaming, packaging innovations have fundamentally altered how we consume music. This trivia question explores a pivotal moment in this transformation that changed the industry forever.

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Spotify, launched in 2008, which offered both free ad-supported streaming and premium subscription tiers
Apple Music, which introduced exclusive artist content as a premium packaging strategy in 2015
Pandora Radio, which focused on algorithmic recommendations as its unique product packaging approach
Tidal, which pioneered high-fidelity audio streaming as its premium product differentiation