In 1450, in the town of Pearlessence, Sir Rupert was talking to his lightly-paid servant, Eric. It seemed the world of technology had moved on without Sir Rupert, which young Eric was only too happy to point out. (Bear with it, this parable does have a point). “Sir, it is a futile effort that you make, copying your manuscripts by hand. Even by woodblock, it takes a week to set up for one book!  Have you not heard that in Mulberry city they have a new Gutenberg press, a POD 400*. Its metal, moveable type and mechanized process makes it very fast!” “I don’t care, Eric, I am good with my hands and have all day long to make my books.” “Aye my Lord, but the POD 400 means you could not just copy out a book a fortnight and charge 10 guineas,…