What inventory management technique revolutionized Broadway merchandise sales after being adopted by major shows like 'Hamilton' and 'Wicked' around 2015?

In the performing arts industry, successful shows aren't just about what happens on stage—they're also about what happens at the merchandise counter. Broadway and major theatrical productions have developed sophisticated inventory management systems to maximize revenue while ensuring fans get the memorabilia they desire. Test your knowledge about the business side of theatrical merchandising in this challenging trivia question!

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RFID tagging systems that allowed real-time inventory tracking across multiple venues
The 'theater cluster model' where nearby shows share inventory warehousing to reduce costs
Demand-based digital printing that eliminated pre-production of merchandise entirely
Membership-exclusive merchandise available only to season ticket holders and supporters