“Busyness as Proxy for Productivity: In the absence of clear indicators of what it means to be productive and valuable in their jobs, many knowledge workers turn back toward an industrial indicator of productivity: doing lots of stuff in a visible manner. This mind-set provides another explanation for the popularity of many depth-destroying behaviors. If you send and answer e-mails at all hours, if you schedule and attend meetings constantly, if you weigh in on instant message systems like Hall within seconds when someone poses a new question, or if you roam your open office bouncing ideas off all whom you encounter—all of these behaviors make you seem busy in a public manner.”