The article starts with the assumption that the total amount of work in an economy is fixed and that the extra hours we make are make-work. I beg to differ. At

The article starts with the assumption that the total amount of work in an economy is fixed and that the extra hours we make are make-work. I beg to differ. At least in high tech, we can improve a product or service as many times as we want. Each of these improvements can be from relatively minor to requiring years of research. The total work per year is how fast we move through these improvements. The free market forces this to be higher every year due to competition.