Which music retail technology advancement first allowed consumers to legally purchase and download individual songs for $0.99 rather than buying entire albums?

The music industry has undergone dramatic transformations in how consumers access and purchase music. From vinyl records to digital downloads and now streaming services, retail technology has revolutionized the music business. This poll tests your knowledge about a pivotal moment in music retail history that changed how consumers interact with music products forever.

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Spotify's Premium subscription model
Apple's iTunes Store, launched in 2003
Amazon's MP3 Store
Napster's peer-to-peer file sharing platform