Its because as programmers we never work 40 hours productively. Quite a but of our time goes in procrastinating, reading stuff on sites like HN, Facebooking etc. There fore there is almost an untold understanding that 40 hours is not to be taken literally.
Please speak for yourself. I don't procrastinate. Most days I don't even check my personal email at work. Maybe I should, because despite not procrastinating I'm still pretty much forced to be 50 or 60 hours a week in the office.
Well, the article quotes research saying that knowledge workers only have six good hours in them. They need to fill the rest of the time somehow to not go insane.
Its because as programmers we never work 40 hours productively. Quite a but of our time goes in procrastinating, reading stuff on sites like HN, Facebooking etc. There fore there is almost an untold understanding that 40 hours is not to be taken literally.