I'm not sure if these results will hold in the long term. Richard Hamming makes the case better than I can: > I notice that if you have the door to your offic

I'm not sure if these results will hold in the long term. Richard Hamming makes the case better than I can: > I notice that if you have the door to your office closed, you get more work done today and tomorrow, and you are more productive than most. But 10 years later somehow you don't know quite know what problems are worth working on; all the hard work you do is sort of tangential in importance. He who works with the door open gets all kinds of interruptions, but he also occasionally gets clues as to what the world is and what might be important. (from http://www.paulgraham.com/hamming.html http://www.paulgraham.com/hamming.html )