This video showcases AWS observability capabilities for application monitoring, focusing on the new Application Signals feature in HAQM CloudWatch. Presenters Arun Chand and Lucy Haron demonstrate how Application Signals automatically collects golden metrics and traces from Java applications on EKS or EC2, enabling quick troubleshooting without custom code. Through a series of scenarios, they illustrate how the tool helps diagnose issues related to database capacity, third-party integrations, and application logic. The presentation highlights key features like service discovery, pre-built dashboards, and SLO tracking. Viewers can learn more about AWS observability tools through resources like the One Observability Workshop and AWS Skills Builder courses.