Summary of Influence, New and Expanded

"Influence: The Psychology of Persuasion" is a seminal book by psychologist Robert Cialdini that explores the science behind why people comply with requests and how influencers can use this knowledge to their advantage. The book outlines six key principles of influence: reciprocity, commitment and consistency, social proof, authority, liking, and scarcity. Cialdini uses real-world examples and research to explain how these principles can be effectively applied in a variety of situations, from marketing and sales to social interactions and negotiations. In the expanded edition of the book, Cialdini also adds a seventh principle: unity, which focuses on the power of shared identity and belonging. Overall, "Influence: The Psychology of Persuasion" is a valuable resource for anyone looking to understand how to influence and persuade others effectively.