Which innovative retail customer experience feature was FIRST adopted by major sports leagues to personalize online merchandise shopping?

The sporting goods and merchandise industry has evolved dramatically in how fans purchase team gear and memorabilia. Digital innovations have transformed the customer journey from traditional in-store experiences to sophisticated omnichannel approaches. This trivia question explores a significant retail customer experience innovation that changed how sports fans connect with and purchase products from their favorite teams and athletes.

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Virtual jersey customization with real-time preview
AI-powered equipment recommendations based on playing style
Augmented reality stadium seat views for merchandise purchases
Biometric authentication for athlete-worn memorabilia verification