Which retail innovation revolutionized the sporting goods industry by allowing consumers to customize their athletic footwear online before purchasing?

The sports retail industry has undergone dramatic transformations through technological innovations. From smart equipment to revolutionary materials, retail innovations have redefined how athletes perform and how consumers engage with sporting goods. This trivia question focuses on a groundbreaking retail innovation that significantly impacted both sales strategies and consumer behavior in the sporting goods industry.

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Nike's NIKEiD (now Nike By You), launched in 1999, pioneering mass customization in athletic footwear
Adidas' Speedfactory, which used 3D printing to produce limited-edition shoes in local markets
Under Armour's HOVR connected shoes with embedded chip technology for performance tracking
Puma's Fit Intelligence self-lacing technology system that adapted to individual foot shapes