My Three Rules for Using E-Mail

1. Never, ever, re-reread an e-mail that you sent before the recipient has responded to it. You will only be mad about your typos and grammar mistakes.

2. Turn off the "You've got mail" sound. That will help you focus. After all, human task switches are considered harmful.

3. Train yourself to hit the "Reply" button by default, not "Reply All". This will help you make friends and keep them.