they never really stopped saying something.… At 12:03 p.m., the office changed character. The morning belonged to meetings, notifications, spreadsheets, and the constant electronic chirping of incoming messages. But at noon, something strange happened. People began speaking without speaking. Mika noticed it first. She worked in a behavioral-design team at a technology company, studying how people interpreted tiny environmental cues. Her current project was about something her colleagues jokingly called “silent status messaging.” The basic idea was simple. People did not merely communicate through words. They communicated through posture, clothing, objects, physical distance, and even the way they occupied a few square meters of space. At lunch, Mika watched her coworkers. There was Tanaka, sitting by the window with both hands wrapped around a ceramic mug. He wasn’t drinking anymore. The coffee had probably gone lukewar...