Which architectural design innovation, first implemented in the Selfridges London store renovation in the early 2000s, revolutionized retail customer journeys by creating 'departments without walls'?

The intersection of architecture and retail design has transformed dramatically over the decades. Modern architectural approaches to retail spaces focus on creating immersive customer experiences rather than just functional shopping environments. Test your knowledge about how architectural innovations have shaped the retail landscape and customer journey in physical stores. Are you familiar with the landmark designs that revolutionized how we experience retail spaces?

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The Wonder Room concept - open, museum-like merchandise displays with architectural lighting as boundaries
The Flow-Through System - eliminating traditional checkout counters in favor of distributed transaction points
The Vista Design - using dramatically elevated ceilings and glass partitions to create visual continuity
The Marketplace Layout - arranging luxury goods in accessible kiosk formations inspired by traditional bazaars