From time to time one reads a book that is important. The Second Machine Age Work Progress And Prosperity In A Time of Brilliant Technologies by Erik Brynjolfsson and Andrew McAfee is important. In the authors’ view, the confluence of falling technology costs, increased computer processing power, cheap sensors and the quality and ubiquity of networks, are ushering in a revolution equally as potent and far-reaching as the Industrial Revolution. Drawing parallels to the effect on civilization of the Industrial evolution, and how long its subsequent impact has continued, they see brilliant technologies in the early stage of changing about everything. They provide a historical context on the growth in living standards, starting with the domestication of the horse, development of agriculture, which led to cities, afforded great armies and so on. Things really didn’t advance much from there until the steam engine was perfected, which created factories, mass transit, electrification ...