The Quiet BeforeBy: Gal Beckerman 'The Quiet Before is a fascinating and important exploration of how ideas that change the world incubate and spread.' Steven Pinker 'Filled with insightful analysis and colourful storytelling Rarely does a book give you a new way of looking at social change. This one does.' Walter Isaacson Why do some radical ideas make history? We tend to think of revolutions as loud: frustrations and demands shouted in the streets. But the ideas