... directly to the user. The contact with the ultimate user is of supreme importance in the development of the invention and the organization. In dealing through a selling agency the manufacturer is not in control of the whole business. The selling agent dictates the policy of the whole business. He dictates the policy of the manufacturing plant from the selling agent's needs and that seldom fits the manufacturing conditions. The selling department generally demands many changes in product and wide range of articles of manufacture, ... — Industrial Progress and Human Economics • James Hartness