diff --git a/metasj.md b/metasj.md
index 1de04a32f..639b0adf9 100644
--- a/metasj.md
+++ b/metasj.md
@@ -31,6 +31,8 @@
 			- all layers could have governance components
 	- example: an underlay that is a star catalogue
 		- a single collaborative dataset
+		- social aspects
+		- needs coordination, e.g. how to do timestamps; how to sequence observations; how to handle a variety of sensors. these all yield rules that could be interpreted as governance.
 
 ## [[2021-05-22]]
 - ahoy!