It reminds me of the Japanese salaryman's long hour at work. It's expected that he stays at work for long hour since it's part of the culture. The thing is th

It reminds me of the Japanese salaryman's long hour at work. It's expected that he stays at work for long hour since it's part of the culture. The thing is those are unproductive hours in a lot of cases. I wonder how much of these 12 hour days are truly productive.