This document discusses key aspects of using social media in public relations, including Brian Solis' social media PR formula focusing on actions, reactions, and transactions. It covers the shift to using social media to directly engage with customers and influence key decision makers. Metrics like Klout are used to track engagement across platforms and link social media efforts to business goals and sales. Content archetypes include curated, co-created, original, consumer generated, and sponsored content. Credibility and social capital are important in social media influence.