You see them every day. You hear them, too. They promote and persuade publicly, but through “private” methods, closely guarded by the few — the very few — who understand how they work.
Hundreds of millions of dollars in sales are generated mostly by the “stealth” marketing tactics of publicity. I don’t even talk about it much, so don’t expect a series from me on this topic. In a way, the publicity about publicity kind of ruins the magic trick. Consider this your very brief crash course.