An expanded version of the mega-bestseller from the world's most famous psychologist, Robert Cialdini! Based on 35 years of experience, numerous studies and observations, the author has developed 7 principles of influence with which you will become a real master of persuasion. In the book you will find many techniques, tactics and tricks that are actively used in marketing, PR, politics and management. Robert Cialdini expanded his ideas in a new version of the world bestseller. He revised the classic text, adding methods and cases of influence in the Internet space. Hidden mechanisms of influence on subscribers of social networks, soft manipulations of information businessmen and cunning traps that application manufacturers set - all this is analyzed in detail by the author of “Psychology of Influence”. The book is a must-read for fans of the original version of the bestseller, as well as marketers, bloggers, journalists, sales managers, politicians, entrepreneurs, psychologists and those who do not want to become victims of manipulation under any circumstances.