Which AI-powered retail innovation did Spotify introduce in 2018 that revolutionized music discovery in physical partner stores?

Artificial intelligence is transforming how music retailers connect with customers and create personalized shopping experiences. From virtual assistants that recommend albums based on your taste to smart systems that optimize inventory, AI is changing the face of music retail. This poll tests your knowledge about a groundbreaking AI implementation that reshaped how customers discover new music in physical and digital stores.

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Spotify Listening Pods: AI-powered booths that create personalized playlists based on facial recognition of shoppers' emotional responses to music samples
Spotify Scanner: An app feature that identifies album covers when pointed at physical merchandise and instantly plays samples while showing purchasing options
Spotify Shelf: Smart shelving systems that light up with recommendations when a customer picks up a related vinyl record or CD
Spotify Mirror: Interactive displays that suggest music based on a customer's appearance, outfit style, and detected demographic information