When Everyone Knows That Everyone Knows...

When Everyone Knows That Everyone Knows…is one of the most insightful books I’ve read about what makes us human and how we understand each other. It changed how I think about the interactions I have, and I bet it will do the same for you * Bill Gates *Think you know what others think about what you are thinking? It turns out you’re probably wrong. And thanks to When Everyone Knows, now we know why. Once you read this book, you’ll never view human behavior quite the same way again – Jonah Berger, New York Times bestselling author of Contagious and The Catalyst A masterful look behind the curtain at the calculations that propel us forward. With his brilliant knack for exposing what we take for granted, celebrated cognitive psychologist Steven Pinker explores, among many phenomena, our very human tendency to reveal information strategically, only letting others see what we want them to see – Annie Duke, bestselling author of Thinking in Bets and How to Decide A lively exposition of one of the most important and basic concepts in game theory, and the surprising ways it plays out in human affairs – Robert Aumann, Nobel Laureate in Economics and Professor Emeritus at the Hebrew University of Jerusalem Insight packed. With brisk authority, Pinker shows that a key aspect of being human, sociality, depends on a mutual understanding of intentions, which allows us to make sense of responses like laughing and blushing and phenomena as various as myth-making and online cancel culture – Daron Acemoglu, Nobel Laureate in Economics and New York Times bestselling author of Why Nations Fail An expository masterpiece. Steven Pinker explains, with beautiful clarity, how common knowledge is critical to successful human interaction – Eric MaskinIf Pinker’s ideas become common knowledge, we’ll be far better equipped to handle the massive disruptions already arriving in our hyper-networked world – Jonathan Haidt

Steven Pinker is the Johnstone Professor of Psychology at Harvard University. He has won many prizes for his teaching, his research on language, cognition, and social relations, and his twelve books, including The Language Instinct, How the Mind Works, The Better Angels of Our Nature, Enlightenment Now, and Rationality. He is an elected member of the National Academy of Sciences, a two-time Pulitzer Prize finalist, and one of Time’s “100 Most Influential People in the World Today.”