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• Using feature flags as a mechanism for switching services to certain states simplifies blending features across a variety of services and enables changing inputs across services.
• Feature flagging allows for intentional experimentation to prove a hypothesis, rather than just testing infrastructure or code.
• Open Feature Operator is an example of how feature flags can be implemented in Kubernetes.
• Feature flagging can be used for conditional routing and proportional waiting.
• Centralized feature flag configuration can be used as an orchestra conductor for microservices.
• The presenter built an operator for feature flags as a real-world example.