In this episode, Luke and Glenn discuss the importance of newsletters and why it's never too late to start one. They draw inspiration from Andrew Wilkinson, the founder of Tiny Capital, who has successfully used newsletters to engage his audience. The hosts emphasize the goal of newsletters, which is to stay top of mind and establish authority in your industry. They share tips on creating engaging content, using AI tools like ChatGPT to streamline the content creation process, and optimizing newsletters for mobile users. They also discuss the frequency and length of newsletters, as well as the value of personalization and segmentation.