Which retail technology has seen the fastest adoption in major sports venues since 2020, allowing fans to purchase team merchandise without waiting in checkout lines?

The sports retail landscape is rapidly evolving with technology integration transforming how fans engage with their favorite teams. Modern stadiums are becoming retail hubs with innovative shopping experiences that extend far beyond traditional merchandise stands. This trivia question explores a cutting-edge technology that's changing the game-day shopping experience for sports fans around the world.

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Computer vision-powered grab-and-go stores (similar to Amazon Go technology)
NFC-enabled smart jerseys that fans can tap to purchase matching accessories
Blockchain-based digital collectible kiosks replacing physical memorabilia
Augmented reality fitting rooms for trying team apparel virtually