This document discusses the evolution of public relations (PR) and some key lessons about modern PR. It notes that PR used to involve mailing press releases but now occurs primarily through digital channels like email and social media. It then makes three main points: (1) great companies focus on customer relationships rather than needing external PR, (2) the key aspects of PR - influence, reputation and relationships - are more important than ever, and (3) PR professionals should forget what they've learned and focus on building direct customer relationships through digital channels and social media.