The document discusses how social media can be used effectively for marketing purposes. It provides examples of how brands can engage audiences on social networks, incorporate social media into marketing strategies, and leverage influencers to amplify messaging. Specific tactics mentioned include placing branded content on photo sites, online radio, and syndicated shows, as well as tracking engagement through services like TweetReach. The document advocates that social media is not about quick gains but rather building conversations and tapping into new audiences.