Morgan McLean, co-founder of OpenTelemetry and senior director at Splunk, shares insights from his extensive experience in observability for large-scale systems. He discusses the evolution of OpenTelemetry, born from OpenTracing and OpenCensus, and its crucial role in simplifying distributed tracing and application metrics. McLean anticipates that profiling will emerge as a key observability signal by 2025. He also explores the integration of AI with observability and the community's collaborative efforts aimed at improving adoption and standardization across diverse environments.