Take a look at your to-do lists from the last few days. How do you feel about how they were organized and what you accomplished? For the most part, are your tasks grouped by context—phone calls listed together so that...

• These are the categories I have in my Palm task list: Building–This category houses all of the tasks that I need to accomplish when I leave the school office and go out into the building. These include reminders to...

I don’t know who originally thought up the idea of the to-do list. I have no doubt, however, that as soon the first to-do list grew to more than about 5 items, the question arose, “How do I know which...