feature flags - SERP Analysis

https://launchdarkly.com/blog/what-are-feature-flags/

https://martinfowler.com/articles/feature-toggles.html

https://docs.gitlab.com/operations/feature_flags/

https://learn.microsoft.com/en-us/dotnet/architecture/cloud-native/feature-flags

https://www.optimizely.com/optimization-glossary/feature-flags/

https://docs.getunleash.io/topics/feature-flags/feature-flag-best-practices

https://en.wikipedia.org/wiki/Feature_toggle

https://www.atlassian.com/solutions/devops/integrations/feature-flags

https://stackoverflow.com/questions/7707383/what-is-a-feature-flag