Which retail technology innovation first allowed consumers to purchase and download individual songs rather than complete albums, disrupting the traditional music industry business model?

The music industry has undergone massive shifts in how products are sold and consumed over the decades. From vinyl records to digital streaming, retail strategies have continuously evolved to meet changing consumer demands and technological capabilities. This poll tests your knowledge about a pivotal moment in music retail history that changed how we purchase and experience music.

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