diff --git a/simple.md b/simple.md
index ec1d27254..72cebc24d 100644
--- a/simple.md
+++ b/simple.md
@@ -2,4 +2,5 @@
 
 - many [[problems]] we need to solve are actually [[simple]]. they might be hard to solve in the sense of being computationally or otherwise resource-intensive. but their inherent structure is not particularly complex.
   - [[coordination problems]] are one such subset.
+  - the [[agora]] is a tool to solve [[coordination problems]] while building a [[commons]].