Which IoT technology was first adopted at scale in commercial architecture to reduce energy consumption by up to 30% through automated adjustments based on occupancy patterns?

The integration of Internet of Things (IoT) technology is revolutionizing architectural design and building management. Smart buildings now incorporate various sensors and systems to enhance efficiency, comfort, and sustainability. This trivia question explores a groundbreaking IoT technology that has significantly impacted modern architectural practices and smart building design.

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Smart HVAC systems with occupancy-based zoning
Automated smart glass windows with light-responsive tinting
Water usage monitoring systems with leak detection
Motion-activated ambient lighting networks