The document discusses how Twitter can be used as an essential tool for crisis management. It provides examples of how companies like Ford, Airbnb, and JetBlue have effectively used Twitter to clarify situations, advance positive messaging, and engage audiences during times of crisis. The document also outlines best practices for crisis communications on Twitter, such as giving the brand a human face, leveraging executives, activating third parties, using immersive formats, and maintaining an always-on approach to build momentum and allow for quick responses if needed.