I worked productively for a couple of hours in a kids play place at the weekend. The roar of kids acts like loud monotonous music. I also once wrote a key piece

I worked productively for a couple of hours in a kids play place at the weekend. The roar of kids acts like loud monotonous music. I also once wrote a key piece of a sofware system on a long flight. I agree with the author that variety is really important to keep you stimulated.