Discovering Great Moments in Application Monitoring, a collection of stories from various companies, including DoorDash, Eventbrite, Cloudflare, and Volley, that highlight the benefits of using Sentry for application monitoring and error tracking. These companies share their experiences with Sentry's features such as automated stack traces, grouping and merging of errors, Release Health, and distributed tracing, which helped them improve their application performance, scalability, and customer satisfaction. By automating error tracking and providing clear visibility into their code, these companies were able to reduce manual work, increase productivity, and deliver better user experiences.