"A beautifully accessible guide.… One of the best books yet written on data and algorithms."—Times (UK)Shortlisted for the 2018 Royal Society Investment Science Book PrizeShortlisted for the 2018 Baillie Gifford PrizeWhen it comes to artificial intelligence, we either hear of a paradise on earth or of our imminent extinction. It’s time we stand face-to-digital-face with the true powers and limitations of the algorithms that already automate important decisions in healthcare, transportation, crime, and commerce. Hello World is indispensable preparation for the moral quandaries of a world run by code, and with the unfailingly entertaining Hannah Fry as our guide, we’ll be discussing these issues long after the last page is turned.