With eloquence and charm, Hannah Fry outlines the math of computer algorithms and explains how they are transforming fields such as health, justice, transport, and the arts.

Jordan Ellenberg, author of How Not to Be Wrong Hello World is a gem of accessible science writing.

Steven Strogatz, professor of mathematics, Cornell University, and author of The Joy of x Hello World is a brisk and friendly guidebook to the algorithms all around us. In Hello World, she takes a serious subject and leavens it delightfully with her clear writing and captivating stories, and her trademark sense of humor and fun. Bravo! -Tim Harford, author of Fifty Inventions That Shaped the Modern Economy Hannah Fry is one of the best explainers on the planet. You couldn't ask for a better guide to this bewildering new world than Hannah Fry, who fills Hello World with wit, storytelling, and superbly clear insight. Cathy O'Neil, author of Weapons of Math Destruction Expertly told, wise and with a lightness of touch, Hannah Fry's brilliant exploration of how we live our lives in the age of AI will prompt arguments in pubs and over dinner tables for years to come.-Adam Rutherford, author of A Brief History of Everyone Who Ever Lived Computers used to be tools, then they were toys, and now they're all around us. The numerous, meticulously researched examples reveal the astonishing new world we're living in, one where secret decisions with ambiguous goals are deciding our individual and collective fates. For a reader unfamiliar with the technical aspects of AI, this book offers among the best lay explanations of how algorithms work., Mixing mathematics and storytelling, this book asks the big questions about algorithms and humans-and their future together., With refreshing simplicity, Fry explains what AI, machine learning and complicated algorithms really mean., This short, sharp book on the power and dangers of algorithms offers one of the clearest explanations of a complex subject., Hannah Fry makes algorithms sound not only quite interesting but an idea that we must understand better as they dominate more and more of our daily lives in ways we see and in many ways we don't., Hello World is an action-packed read during which you will be outraged, provoked, and challenged.

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