On a Friday night in any restaurant, the phones sit face-up beside the plates, glowing like a second guest at every table. The silence of being unreachable is mostly gone. Not long ago, leaving the office or closing the front door meant the world had to wait. A walk to the mailbox felt like a small break. Now the mailbox lives in our pocket, and it keeps delivering. We carry a device that lets almost anyone reach us at any moment, and we treat this as normal.

​We often call availability a virtu