1.1 Defining the styles of telemetry1.1.1 Defining centralized logging1.1.2 Defining metrics1.1.3 Defining distributed tracing1.1.4 Defining SIEM1.2 How telemetry is consumed by different teams1.2.1 Telemetry use by Operations, DevOps, and SRE teams1.2.2 Telemetry use by Security and Compliance teams1.2.3 Telemetry use by Software Engineering and SRE teams1.2.4 Telemetry use by Customer Support teams1.2.5 Telemetry use by business intelligence1.3 Challenges facing telemetry systems1.3.1 Chronic underinvestment harms decision-making1.3.2 Diverse needs resist standardization1.3.3 Information spills and cleaning them up to avoid legal problems1.3.4 Court orders break your assumptions1.4 What you will learnSummary