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Also tweak margins a bit.

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@@ -68,6 +68,31 @@ Production here means all the software needed to run all the sites
 supporting services, including tooling and services that supports
 development.
 
+## Overall solution approach
+
+The overall approach to the architecture of the CI system, and the
+workflow supported by it, is to keep all changes in version control
+(git), which includes code, configuration, and scripts for building
+and deploying. When a change to version control is pushed, CI builds
+and tests the change, humans review the change, and if all seems to be
+in order, CI deploys to production.
+
+## Stakeholders
+
+Stakeholders in the WMF CI system include:
+
+* RelEng, who are responsible for keeping CI running
+* SRE, who are responsible for the infrastrcture on which CI runs
+* MediaWiki developers, who develop MW and its extensions, and will
+  (eventually) be doing MW releases for external MW deployers
+* staff and volunteer developers of anything else built, tested, and
+  deployed by CI
+* WMF, who pays for CI using donations
+* the Wikipedia movement, who use sites and services operated by WMF
+* all of humanity, who benefit from having knowledge freely
+  disseminated
+
+
 # Requirements
 
 This chapter lists the requirements we have for the CI system and