Which retail technology innovation has most significantly increased merchandise sales at performing arts venues since 2018?

The performing arts retail sector has evolved dramatically with technological innovations to serve musicians, dancers, actors, and their audiences. From specialized equipment sales to ticketing platforms, the industry has embraced unique retail solutions. This trivia question explores a significant retail technology advancement that has transformed how performing arts merchandise is sold and experienced by consumers. Test your knowledge of the intersection between retail innovation and the performing arts world!

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RFID-enabled interactive costume displays that allow patrons to virtually 'try on' show costumes
Mobile point-of-sale systems that enable merchandise sales directly from ushers throughout the venue
AR applications that display 3D holograms of performers signing merchandise items
Blockchain-authenticated collectibles with ownership verification for limited edition performing arts memorabilia