>Instead of employees simply transferring their normal offline communication to the more convenient online system, they began to communicate vastly more than they ever had before. “Thus — in a mere week or so — was gained and blown the potential productivity gain of email,” he lamented.<p>A classic case of Jevon's Paradox: <a href="https://en.wikipedia.org/wiki/Jevons_paradox" rel="nofollow">https://en.wikipedia.org/wiki/Jevons_paradox</a>