Which innovative building product, introduced in the early 2000s, revolutionized facade design by allowing architects to create self-cleaning, air-purifying exterior surfaces?

The world of architecture has been transformed by innovative product design and materials. The way architects approach their projects has changed dramatically with the introduction of new building systems, sustainable materials, and digital design tools. This trivia question explores a significant product innovation that changed the architectural landscape in recent decades. Test your knowledge of how product design has influenced modern architecture!

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Photocatalytic TiO2 Concrete
Structural Insulated Panels (SIPs)
Electrochromic Glass
Cross-Laminated Timber (CLT)