In this thought experiment mixed with science fiction and serious futurism, eminent neuroscientist Dr. Christof Koch sketches a not-so-distant future in which we will be tempted by the promise of eternal life in an AI cloud. With the fluidity of a novelist, he brings to life this felt temptation, in all its force, just to smash it towards the end. This essay is a critical warning to us all, an attempt to have us confront the problem before we are actually faced with it, so we can protect ours...