Which IoT technology was first widely adopted by major sporting goods retailers to allow customers to virtually test products before purchase?

In the competitive world of sports retail, technology innovations have transformed how consumers shop for athletic gear. From smart fitting rooms to advanced inventory systems, technology has revolutionized the in-store experience for sports enthusiasts. This trivia question focuses on a groundbreaking IoT technology that changed how customers interact with products in major sporting goods stores. Test your knowledge of retail innovation in the sports industry!

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Smart mirrors with motion sensors that show how athletic wear looks during movement
RFID-enabled basketballs that track shooting accuracy and provide feedback
Smart shelves that automatically restock popular items based on weight sensors
Biometric scanners that recommend shoes based on foot structure and gait analysis