Which streaming platform first introduced the personalized algorithmic playlist feature that revolutionized music discovery and retail personalization in the industry?

The music industry has undergone massive shifts in how consumers purchase and access their favorite songs. From physical media to digital downloads to today's streaming models, the evolution of retail in music has created entirely new business models and revenue streams. This poll tests your knowledge about a pivotal moment in music retail personalization that changed how we discover new music forever.

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

Spotify with 'Discover Weekly' in 2015
Apple Music with 'For You' in 2014
Pandora with 'Pandora Picks' in 2013
Amazon Music with 'My Discovery Mix' in 2016