This document discusses advertising and public relations. It outlines three types of advertising: informative advertising which communicates value and new information; persuasive advertising which builds preference and encourages switching; and reminder advertising which maintains relationships. It also profiles major media types for advertising like television, social media, newspapers, magazines, radio and outdoor advertising. Finally, it defines public relations as activities to engage and build relations with various audiences and lists functions like press relations, product publicity, and investor relations.