Let me re-phrase that. If you... solve the problem in a couple of hours and then spend the rest of the day fooling around ... then you are as productive as the

Let me re-phrase that. If you... solve the problem in a couple of hours and then spend the rest of the day fooling around ... then you are as productive as the guy who spent the whole day on it, not super-productive. (The other guy probably spent half the day reading Hacker News anyway.)