Earlier quoted context omitted.
Suppose a company wants to write some product documentation so customers and prospective customers know what features their product has and how to use them. They hire someone to write the documentation and then someone else to distribute it. Is there a good way to distinguish this from advertising? The most plausible way would be if the one you're paying to distribute it has some kind of exclusive control or market p…
Advertising is a monetary transaction between an advertiser and a publisher. The customer (or product) is not involved in the transaction; it is their attention that is being bought and sold. That's a different model than paying a technical writer to do technical writing.
But now how are you distributing either of them?