Which retailer first pioneered the 'glass cube' store design concept that dramatically transformed architectural approaches to retail spaces?

The intersection of architecture and retail has created some groundbreaking innovations that transformed shopping experiences worldwide. Major retailers have invested billions in architectural marvels that serve as both functional spaces and brand statements. This trivia tests your knowledge about a revolutionary architectural retail concept that changed how we think about store design and customer experience. Can you identify this game-changing innovation?

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Apple Inc. (with their Fifth Avenue NYC store in 2006)
Nike (with their House of Innovation in 2018)
Microsoft (with their flagship store design in 2015)
Samsung (with their Experience Stores in 2012)