Which IoT-enabled building feature was first implemented in the Edge in Amsterdam, often called 'the smartest building in the world'?

Smart buildings are transforming architecture through Internet of Things (IoT) technology. These connected systems optimize energy usage, enhance security, and improve occupant comfort through real-time monitoring and automated responses. Test your knowledge about how IoT is reshaping architectural practices and creating more responsive, efficient building environments.

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A smartphone app that tracks employees and automatically assigns workspace based on their schedule and preferences
Self-tinting windows that automatically adjust based on sunlight intensity and indoor temperature readings
AI-controlled robotic cleaning systems that maintain the building based on usage patterns
Predictive elevator systems that arrive at floors before occupants press call buttons