If you want to write, you'll need a way to promote your book. One common way is through social media. In this episode, Dave interviews Melissa about a data analytics project that helped her identify five key insights about how to improve her engagement on Instagram. Melissa's son Davis, a stats, econ, and math major at Northwestern University, analyzed the response to Melissa's Instagram posts over the course of a year. The results will help you become more effective at building a social media following.