Today's guest is Dr. Robert Cialdini who has spent his entire career researching the science of influencing and earning him an international reputation as an expert in the fields of persuasion, compliance and negotiation. His books including Influence, Science and Practice are the result of decades of peer reviewed research on why people comply with request. Influence has sold an impressive three million plus copies. It's a New York Time's Bestseller and it's been published in over, get this, 30 languages. His new book Pre-Suasion: A Revolutionary Way to Influence and Persuade is now becoming a Wall Street Journal and New York Time's Bestseller as well because of this worldwide recognition, his cutting edge scientific research and his ethical business and policy applications. He's frequently regarded as "the godfather of influence".