diff --git a/content/notes/22-open-source-software.md b/content/notes/22-open-source-software.md
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--- a/content/notes/22-open-source-software.md
+++ b/content/notes/22-open-source-software.md
@@ -11,9 +11,27 @@ tags:
 # Describe Origination
 - how to floss projects get created
 	- forking an existing open source project
-	- 
+		- mangement of existig project "run out of steam"
+		- users decide to take development of themselves
+	- some decides to apply an open source licence
+		- e.g., individual or member of team with appropriate responsibility
+- Motivation for release as floss
+	- giving back to community
+	- seeking addition team members, code or otherwise
+	- grow ecosystem around the software system 
+		- essentially a form of publicity
 
 # Detail Roles
+- Team shape
+	- depends of specifics and scale of project
+	- small projects often driven by an individual
+	- a few developers collaborate closely - often code founders
+	- large potentially open team combine contributions
+- different jobs and skill sets beyond coding
+	- documentation - creating and updating
+	- code review - pre-merge and post-merge quality control
+	- testing - developing tests (or test suites), and reporting back user bugs
+	- community - keeping team motivated and focused
 
 # Contrast Governance vs management