In this AWS re:Invent 2023 session, Andreas Bloomquist, Igor Sedukhin, and Anthony Giles introduce Amazon CloudWatch Application Signals, a new application performance monitoring capability. They discuss how Application Signals provides prebuilt dashboards, automatically discovers services, and offers standardized telemetry to simplify application monitoring. The speakers compare modern application monitoring to aviation, highlighting the need for integrated tools and standardized metrics. Anthony Giles shares how JPMorgan Chase uses site reliability engineering practices with CloudWatch, while Igor demonstrates the day-to-day use of Application Signals for diagnosing and resolving application issues. The session emphasizes how Application Signals can improve developer productivity and application reliability without manual effort or custom code.