The central idea [of All Watched Over By Machines Of Loving Grace] leads Curtis on a journey, taking in the chilling über-individualist novelist Ayn Rand, former chairman of the Federal Reserve Alan Greenspan, the “new economy”, hippy communes, Silicon Valley, ecology, Richard Dawkins, the wars in Congo, the lonely suicide in a London squat of the mathematical genius who invented the selfish gene theory, and the computer model of the eating habits of the pronghorn antelope.

You can see why Zoe Williams once wrote that, while watching one of Curtis’s programmes, “I kept thinking the dog was sitting on the remote.”

…he decided to finish the battle on his own terms. Even when we went to Dignitas,” Lavis recalls, “it was, ‘I’m pulling the pin on the hand grenade. I’m murdering MS. It’s not murdering me.’”

Another acquaintance told me this story. He has a son about 8 years old. They were talking about the old days, and the fact that when my friend was growing up they did not have computers. This fact was perplexing news to his son. His son asks, “But how did you get onto the internet before computers?”