The room itself tells you whether it's available

An entry from the Dictionary of Office Things

07 August 2026, Tobias Engl

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A hand is holding a smartphone with information about an event—including the time and room number—displayed on the screen. In the background, a door sign display is mounted on the wall, also showing the room number and the event details. The room has a modern feel, with a desk, a chair, and walls painted light green.