Which innovative retail technology first allowed opera fans to virtually 'try on' costumes from famous productions before purchasing replicas in 2021?

The performing arts industry has been revolutionized by technological advancements in recent years. From virtual reality experiences that transport audiences to new worlds, to AI-powered ticketing systems that optimize sales, technology has changed how performances are created, marketed, and experienced. Test your knowledge about one of the most transformative retail innovations that has recently taken the performing arts world by storm!

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Metropolitan Opera's 'Magic Mirror' augmented reality app
Royal Opera House's 'Virtual Wardrobe' blockchain platform
La Scala's 'Costume Cloud' AI recommendation system
Sydney Opera House's 'Digital Dressing Room' holographic projector