When Everyone Knows That Everyone Knows...: Common Knowledge and the Science of Harmony, Hypocrisy and Outrage

'One of the most insightful books I’ve read about what makes us human and how we understand each other' Bill GatesSteven Pinker, one of the world's greatest thinkers and bestselling author of Enlightenment Now, The Better Angels of Our Nature and The Language Instinct, reveals the power and perils of thinking alikeAs a cognitive scientist, the ultimate subject of Steven Pinker’s fascination is how we think about each other’s thoughts, ad infinitum.It sounds impossible, but Steven Pinker shows that we do it all the time.This awareness, which we experience as something that is public or “out there,” is called common knowledge, and it has a momentous impact on our social, political, and economic lives. Common knowledge, Pinker shows, can make sense of many of life’s enigmas: financial bubbles and crashes, revolutions that come out of nowhere, the posturing and pretence of diplomacy, the eruption of social media shaming mobs and academic cancel culture, the awkwardness of a first date.But