This document discusses the importance of tracking key business metrics like revenue over time to monitor for patterns and anomalies that could impact business health. It also recommends that developers track service health by monitoring operational metrics of their services to identify anomalies or changes in patterns that may indicate issues.

4. Value
Time

6. Example:
To ensure the health of your business, you want to track your key metrics like
revenue and understand whether something is out of historical pattern.
Example:
If you are a dev of a service, you want to track the service health of your service
by monitoring the operational metrics and find out anomalies and pattern
changes.