The Monitorama 2019 conference featured a diverse range of talks on topics such as chaos engineering, software supply chain management, observability tools, and distributed tracing. Notable speakers included John Allspaw, Nora Jones, Luke Demi, and Dave Josephsen, who shared their expertise on various aspects of monitoring and observability. The event also highlighted the importance of human performance in system reliability and the need for context to investigate real-world issues. Additionally, the conference showcased several open-source projects, including Grafeas, Kritis, Loki, and Athena, which aim to improve software supply chain management, distributed tracing, and data querying. Overall, Monitorama 2019 was an excellent event that brought together a community of professionals interested in monitoring and observability.