Consider the following letter by an active head of one of the largest software company in America:
“Results are the only things that count. We are perfectly willing to pay a salesperson $100,000 a year if they deliver the goods; we are willing to pay $750,000 a year if that person delivers, and a person’s earnings from $7500 a month up to almost anything is in their own hands.”
The heads of ninety-nine out of every hundred companies employing salespeople reflects that sentiment. Often the main limit to the salesperson’s earning power …

Whenever a new commodity appears, we ridicule it, and oppose it, and refuse to buy it at any price. Then the salesperson trains his energies on us. We fight for a while, and finally we surrender. But we give no credit, or glory, to the salesperson. We walk up to the counter and buy the commodity, remarking to the clerk that it is just exactly what we needed for the past twenty years.
It is not true that new products are manufactured to supply the demand.
There is no demand. Both …