Which music retail innovation first enabled large-scale collection of customer purchase data to create personalized recommendations in physical stores during the early 2000s?

The music retail landscape has undergone dramatic transformation in recent decades. From vinyl shops to digital streaming, the way consumers discover and purchase music has evolved alongside technological advancements. This poll tests your knowledge about a pivotal innovation that changed how music retailers tracked and responded to customer preferences in the early 2000s, creating the foundation for today's sophisticated music recommendation algorithms and retail analytics.

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RFID-enabled membership cards that tracked in-store browsing behavior
The Listening Post kiosks with barcode scanners that recorded sampling patterns
Bluetooth beacons that connected with early smartphones to monitor store navigation
Digital receipt systems that offered email-based recommendations after purchase