Exactly how the advertising funnel jobs The earliest version of a sales funnel that I have the ability to locate is this from 1904 by Frank Hutchinson Dukesmith, editor of the Salesmanship publication Right here, Dukesmith introduced the idea of four stages that lead to a sale: Interest, Passion, Wish as well as Sentence. Nearly 50 years later on, a marketing and also sales executive in the pharmaceutical market, Arthur F Peterson, published the complying with illustration in his publication, Pharmaceutical Selling, Outlining, and also Sales Training: