Which architectural design innovation is credited with creating the 'museum retail revolution' where a building's design became so iconic it transformed gift shop sales into a significant revenue stream?

In the world of architecture, iconic buildings can transform retail experiences and drive tourism. Some architectural designs have become so influential they've created their own economic phenomenon. This poll tests your knowledge about a famous architectural innovation that revolutionized how museums approach their retail strategy and brand identity.

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Frank Gehry's Guggenheim Museum in Bilbao, which pioneered architectural merchandise that generated over 25% of the museum's annual revenue
Renzo Piano's Centre Pompidou in Paris, which introduced the first museum retail space larger than its exhibition areas
Zaha Hadid's MAXXI in Rome, which created the first architectural brand licensing program for retail products
I.M. Pei's Louvre Pyramid, which launched the first museum e-commerce platform selling architectural replicas