The document discusses leveraging various technologies to engage audiences before, during, and after events. It outlines tools like websites built with WordPress, social media integration, GPS-based apps, and mobile apps to provide information and interact with attendees. It emphasizes starting with the website, considering the audience, making key information easy to access, and using tools like EventBrite for registration. It also discusses creating an app for during the event and post-event strategies like maintaining engagement through email lists and social media.