Am I the only one who feels that distraction isn't necessarily a bad thing? I find that even my most productive days aren't distraction-free. And oftentimes my best ideas come when I'm most distracted.
I find controlled-distraction -- set times when I let myself be distracted (such as: 'at 2pm I will spend 15 min reading HN) -- is helpful. Otherwise I don't think sporadic, intermittent distraction could be of much use.