Delay is the death of the sale.
Given Gary’s impact on the marketing world and his apparent life experiences, it’s hard to understand the lack of a Wikipedia page dedicated to him. I suspect it has something to do with the aggressive tactics he threatens to employ against those who seek to take credit for (or water down) his works. I wonder if he ever met Harlan Ellison at a cocktail party…
…wanders off to contemplate a screenplay where Gary Halbert, Harlan Ellison, and L. Ron Hubbard are all sharing a train car to Chicago.