The document discusses how to build a brand and community through sharing content online. It recommends starting by sharing content without asking for anything in return on platforms like Twitter, Facebook, and blogs. This word-of-mouth will be more effective than traditional advertising or marketing. The document also suggests focusing sharing efforts in a few key places rather than spreading content everywhere with no focus. By engaging with fans and customers, responding to feedback, and continuously innovating, a company can build a loyal community that will help spread the word about their brand.