Which music streaming platform first introduced the 'Discover Weekly' personalized playlist feature that revolutionized music recommendation algorithms in 2015?

The music retail landscape has transformed dramatically with streaming services. These platforms don't just deliver music—they've revolutionized how artists release albums, how listeners discover new sounds, and how the industry measures success. This poll tests your knowledge about a pivotal product launch that changed music consumption patterns forever.

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Spotify
Apple Music
Pandora
Amazon Music