Includes bibliographical references and index.

Introduction: the power of social influences -- How conformity works -- Social cascades -- Group polarization -- Law and institutions -- Conclusion.

"We live in an era of tribalism, polarization, and intense social division--separating people along lines of religion, political conviction, race, ethnicity, and sometimes gender. How did this happen? In Conformity, Cass R. Sunstein argues that the key to making sense of living in this fractured world lies in understanding the idea of conformity--what it is and how it works--as well as the countervailing force of dissent."