The document discusses how social media is changing the landscape of public relations. It argues that social media drives authenticity by allowing brands to interact directly with customers, establishes brand familiarity through constant online presence and communication, and facilitates mass communication between companies and audiences without traditional intermediaries. It provides examples of how social media has helped and hurt brand reputations and gives cases of politicians and TV shows using social media for outreach. It concludes that social media will lead to new divisions, jobs and opportunities in the field of public relations.