Which IoT-enabled architectural feature was first implemented in the Edge building in Amsterdam, often cited as the world's smartest building?

The integration of Internet of Things (IoT) technology has transformed modern architectural design and building management. From energy efficiency to occupant comfort, IoT sensors and systems are creating buildings that respond intelligently to their environments and users. Test your knowledge about how IoT is reshaping architectural practices and creating smarter, more sustainable spaces.

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A smartphone app that tracks and connects employees to available workspaces based on their preferences and schedule
A rainwater harvesting system that automatically adjusts collection based on weather forecasts
Exterior panels that change transparency based on sunlight intensity and interior temperature needs
Robots that automatically reconfigure interior walls and furniture based on space utilization data