A foundational book on public relations and propaganda by Edward Bernays, published in 1923. It outlines the principles of shaping public opinion through various techniques, drawing on psychological insights. Bernays is considered the 'father of public relations.'
Edward bernes of all people wrote this book and the book's called crystallizing public opinion
""The guest mentions Edward Bernays wrote a 'Playbook' and specifically names the book 'crystallizing public opinion' in the context of propaganda and advertising."