Product demos can be a lengthy feature-by-feature walkthrough of a product that focuses on explaining where everything is and what everything does, but this approach rarely provides an engaging experience for attendees. Instead, developers should focus on creating passionate users by teaching them how to achieve specific goals with the product, rather than just showcasing its features. This approach emphasizes the benefits of using the product in real-world scenarios, such as increasing engagement, identifying activity churn, and automating customer development. By doing so, demos can become a valuable marketing tool that helps attendees understand the value of the product and how it can be used to achieve their goals.