Steven Pinker: The hidden psychology shaping money, power, and social life | Full Interview

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What happens when everyone knows the same thing, and knows that everyone else knows it?

Steven Pinker adventures into the subtle but powerful concept of common knowledge, revealing how it shapes money, power, and everyday life.

0:00 The hidden psychology of common knowledge
1:37 How common knowledge occurs
4:10 The power of shared certainty and shared fear
7:15 Nonverbals and common knowledge
9:08 Laughter unites us
13:26 The uses of eye contact
14:33 Understanding language through common knowledge
18:29 The media’s influence on common knowledge
22:23 Creating common knowledge through advertising
25:33 Social media and the illusion of common knowledge
26:45 Public punishment to enforce the norm

Read the video transcript ► https://bigthink.com/series/full-interview/game-theory-steven-pinker/?utm_source=youtube&utm_medium=video&utm_campaign=youtube_description

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About Steven Pinker:
Steven Pinker is an experimental psychologist who conducts research in visual cognition, psycholinguistics, and social relations. He grew up in Montreal and earned his BA from McGill and his Ph.D. from Harvard. Currently Johnstone Professor of Psychology at Harvard, he has also taught at Stanford and MIT. He has won numerous prizes for his research, his teaching, and his books, including The Language Instinct, How the Mind Works, The Blank Slate, The Better Angels of Our Nature, The Sense of Style, and Enlightenment Now. He is an elected member of the National Academy of Sciences, a two-time Pulitzer Prize finalist, a Humanist of the Year, a recipient of nine honorary doctorates, and one of Foreign Policy’s “World’s Top 100 Public Intellectuals” and TIME’s “100 Most Influential People in the World Today.” He was chair of the Usage Panel of the American Heritage Dictionary and writes frequently for The New York Times, The Guardian, and other publications. His twelfth book is called Rationality: What It Is, Why It Seems Scarce, Why It Matters.