Dive into a comprehensive 29-minute crash course on OpenTelemetry metrics presented by Reese Lee from New Relic at a CNCF event. Learn the fundamentals of metrics implementation as part of an observability strategy, including how to choose appropriate metrics instruments for specific measurements. Gain clarity on confusing terms and concepts such as UpDownCounter and Histogram, and understand their practical applications through fun analogies and real-world examples. Discover the value different types of metrics can provide in better understanding your services, and equip yourself with essential knowledge to effectively implement metrics using OpenTelemetry.