One of the most frustrating moments of my morning is getting to work and sitting there for 10 minutes while my computer boots up. Most mornings, I can get a cup of coffee and visit coworkers while my computer starts and Outlook, IE, and the other applications...

Have you ever accidentally sent an e-mail before you were done? Or sent something that you immediately wished you hadn't? I had done this enough—and caused myself enough embarrassment—to think about ways to avoid it the next time. My first attempt was...