Which IoT innovation was first introduced by Guitar Center in 2019 as part of their 'Connected Instrument' retail strategy?

The music retail landscape has been revolutionized by Internet of Things (IoT) technology, transforming how we discover, experience, and purchase music. From smart instruments to interactive store displays, IoT has created new touchpoints between artists, retailers, and fans. Test your knowledge about how cutting-edge IoT applications are reshaping the music retail experience in this challenging trivia question!

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Smart guitar picks that track playing technique and suggest improvements through a companion app
RFID-enabled instruments that customers can play and hear through wireless headphones without amplification
Virtual reality stations allowing customers to 'perform' on stage with famous artists before purchasing instruments
AI-powered recommendation kiosks that suggest instruments based on biometric feedback when customers test different models