The document discusses how affiliate marketing can enhance brand equity by utilizing performance-based advertising where affiliates promote a merchant's products, receiving compensation for successful sales or actions. It emphasizes the importance of building relationships with affiliates to improve brand awareness, image, and performance, as well as the roles of different types of affiliates, such as superaffiliates and bloggers. Additionally, it highlights the significance of understanding affiliate motivations and managing these relationships to drive brand value creation and co-innovation.