Welcome to 21st century  techno-utopianism. Driven by a new tech-bro/crypto culture, supported by online hordes of true believers, and couched in philosophies of meritocracy and technocracy, techno-utopianism is born anew. But this thinking, while different, is not really new. As Darts and Letters sets out on a series of episodes to explore the persistent belief that technology will save us, we start by looking back to past utopias: rising, shimmering images of a future of wonder and plenty, out towards the horizon. For that, we visit the world’s fairs of techno-utopias past.