Which music retail innovation first allowed customers to purchase and download individual songs rather than entire albums, fundamentally disrupting the traditional album-based business model?

The music industry has undergone massive transformation in how products reach consumers. From vinyl records in specialty shops to digital streaming services, the business model has evolved dramatically. This poll tests your knowledge about a pivotal moment in music retail history that changed how consumers purchase and experience music products forever.

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Apple's iTunes Store (2003)
Napster's peer-to-peer service (1999)
Amazon MP3 Store (2007)
Microsoft's Zune Marketplace (2006)