This is actually the complete and unabridged audiobook Scientific Advertising read from the original book by Claude C. Hopkins. Scientific Marketing was compiled by the advertising genius in 1923 and is cited by many Advertising and Internet Marketing personalities such as David Ogilvy, Gary Halbert, and Jay Abraham like a ‘must-read’ book. Hopkins used the methods of assessment and measuring the potency of his advertisements by understanding and using the principles of psychology. After hearing this audiobook and applying the principles contained within you will be more able to avoid paying for ineffective advertising.