Claude Hopkins, the father of modern Advertising techniques, believed that "Advertising is salesmanship," and as such it should be measurable and justify the results that it produced.
This business classic covers mail-order marketing, headlines, psychology, strategy, budgeting, and more advanced subjects like negative Advertising a.
In Scientific Advertising, he explains precisely how to do that, and the principles he discovered and documented are as true today as when they were first written.
Claude Hopkins, the father of modern Advertising techniques, believed that "Advertising is salesmanship," and as such it should be measurable and justify the results that it produced