Learn about distributed tracing fundamentals in this 16-minute technical talk that deconstructs observability concepts and OpenTelemetry implementation. Explore the evolution from basic monitoring to RED (Rate, Errors, Duration) monitoring, while diving deep into trace components and spans. Understand timeline considerations and potential data interpretation challenges that could lead to misleading conclusions. Discover why distributed tracing has become essential for modern systems, the advantages of choosing OpenTelemetry, and examine crucial elements like metadata and semantic conventions. Master how to leverage supporting evidence from logs and metrics to effectively identify and troubleshoot issues in distributed systems.