The document discusses using social media and participatory media, known as "Word of Mouse", to better communicate messages to target audiences. It emphasizes focusing communications on the appropriate channels to efficiently and effectively reach audiences at the right time. Social media allows for two-way communication and participation from audiences. Examples of social media tools discussed include YouTube, blogs, podcasts, Twitter, and mobile apps. The document advocates for a one-to-one or 1-2-1 communication model of engaging with audiences directly through social media.