Which retail technology innovation first allowed consumers to legally purchase and download individual songs rather than entire albums, fundamentally changing music consumption patterns?

The music industry has undergone dramatic changes due to technological innovations. From physical albums to streaming platforms, technology has revolutionized how we discover, consume, and share music. This poll tests your knowledge about a significant retail technology advancement that transformed the music business landscape and consumer listening habits.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Apple's iTunes Store (2003)
Napster's Relaunch as Legal Service (2006)
Amazon MP3 Store (2007)
Microsoft's Zune Marketplace (2006)