Now, as for the tasks that you're engaged in that are neither important nor urgent, well, it's time to ask yourself, "why am I doing this?" Listen, everyone needs a little Angry Birds time in his day. But not every day and not for more than 10 minutes -- especially if you also need a little Facebook time and a little Twitter time and a little . . . . well, you get the idea.
Pick one timewaster per day and set your computer's timer or alarm system to go off after 10 minutes. That's about all any of us needs to spend in the fourth quadrant.