A question was recently posed on the popular question-and-answer website Quora that asked, "What's the single most valuable lesson you've learned in your professional life?" The top answer is one that I recommend you read in whole.

The problem with a lot of productivity and time management systems is they require a lot of overhead, but the "Rule of Three" doesn't. It's one of the simplest, most powerful time management techniques I've come across lately.

If you don't know how you're spending your time on the computer, chances are you could be wasting a lot of it. Enter RescueTime, a free, simple utility that will show you exactly where your time goes.

Picking the next thing to do is hard. Where the hell do you start? It's helpful to have a process you can follow that will guide you in the right direction, and David Allen provides two of them in his book, Getting Things Done.