Product marketing, as opposed to product management, deals with more outbound marketing tasks (in the older sense of the phrase). For example, product management deals with the nuts and bolts of product development within a firm, whereas product marketing deals with marketing the product to prospects, customers, and others. As a job function within a firm, Product marketing also differs from other marketing jobs such as marketing communications, online marketing, advertising, marketing strategy, public relations, etc. Here are The Smarty Role of Product Marketing.