Which music streaming service first introduced the 'Freemium' business model that dramatically changed customer acquisition strategies in the music industry?

The music industry has undergone a massive shift in how products are consumed and monetized. Streaming platforms have completely changed revenue models and artist promotion strategies. This poll tests your knowledge about a pivotal moment in music streaming's evolution that reshaped the industry's approach to customer loyalty and revenue generation.

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Spotify (launched in 2008 with ad-supported free tier alongside premium subscriptions)
Apple Music (launched in 2015 with a focus on exclusive album releases)
Pandora (launched in 2000 as a radio-style streaming service)
Amazon Music (launched in 2007 as an MP3 store before evolving to streaming)