Which retail innovation did Nike first implement in 2016 that revolutionized the personalized shopping experience in sports footwear?

The sports retail landscape has been transformed by digital technologies in recent years. From virtual try-ons to AI-powered inventory management, sporting goods retailers have embraced innovation to enhance customer experience and operational efficiency. This trivia question explores a groundbreaking retail innovation that significantly impacted how sporting goods are sold and experienced by consumers.

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Nike Fit: 3D foot-scanning technology that uses computer vision to suggest the perfect shoe size
Nike By You: Customization stations where customers can design shoes with professional athletes
Nike Connect: RFID-enabled jerseys that unlock exclusive content when scanned with a smartphone
Nike Go: Subscription service for children's athletic footwear with automatic size upgrades