Which streaming service first introduced the 'freemium' business model to the music industry, offering both ad-supported free listening and a premium subscription option?

The music industry has undergone massive transformation through innovative digital product launches over the past two decades. Streaming services, smart devices, and AI-powered recommendations have revolutionized how we discover and enjoy music. This poll tests your knowledge about a pivotal moment in music streaming history that fundamentally changed the industry's business model and consumer behavior patterns.

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Spotify (launched this model in 2008)
Pandora (introduced tiered pricing in 2009)
Apple Music (pioneered dual-tier streaming in 2015)
YouTube Music (created the freemium streaming concept in 2011)