Which innovative feature did Spotify first introduce in 2015 that revolutionized music retail customer retention by offering personalized weekly content?

The music industry has undergone dramatic transformation through retail innovation. Streaming services have revolutionized how consumers discover, access, and purchase music. This poll tests your knowledge about a key innovation that changed how music retailers approach customer retention in the streaming era. Think about how music platforms keep subscribers engaged and prevent them from switching to competitors.

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Discover Weekly - AI-curated playlists tailored to each user's listening habits
Family Plan Sharing - Allowing multiple household members to share one subscription
Wrapped - Annual personalized listening statistics and insights
Exclusive Artist Content - Platform-specific releases and bonus tracks