One scenario Marshall fails to consider is that more and more families (for any size family) will become self-sustaining... if you had a robotic garden, a 3D pr

One scenario Marshall fails to consider is that more and more families (for any size family) will become self-sustaining... if you had a robotic garden, a 3D printer that could print anything including meat, and enough solar cells on your roof to consume zero net energy, what would you need money for (except taxes)?