Illustration: Edward Carvalho-Monaghan/The Guardian Techno-optimism – the belief that technology will usher in a golden age for humanity – is in vogue once more. In 2022, a clutch of pseudonymous San Francisco artificial intelligence (AI) scenesters published a Substack post entitled “Effective Accelerationism”, which argued for maximum acceleration of technological advancement. The 10-point manifesto, which proclaimed that “the next evolution of consciousness, creating unthinkable next-generation lifeforms and silicon-based awareness” was imminent, quickly went viral, as did follow-up posts. Effective accelerationism, or “e/acc”, exploded from being a fringe movement dedicated to pushing back against AI extinction-fearing “doomers” to being namechecked by