The assertion here is that these lost bits of time are purely negative. I come back with fresh eyes and spot things, get coffee, tidy the desk, make a call, st

The assertion here is that these lost bits of time are purely negative. I come back with fresh eyes and spot things, get coffee, tidy the desk, make a call, stretch the leg, use the restroom, &c. But I don't pass myself off as an ur-coder, so possibly I don't count.