Which music streaming service first successfully implemented the 'freemium' subscription model that became the industry standard, offering both free ad-supported and premium paid tiers?

The music industry has undergone dramatic changes in how consumers access and pay for content. The subscription model revolution transformed revenue streams and listening habits worldwide. This poll tests your knowledge about a pivotal moment in music industry history that changed how we consume music forever.

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Spotify (2008)
Apple Music (2015)
Pandora (2005)
Tidal (2014)