diff --git a/TODO.md b/TODO.md
index 44a68f4..6446caf 100644
--- a/TODO.md
+++ b/TODO.md
@@ -17,6 +17,11 @@ TODO:
     - if there were, it'd give IPLD-like characteristics to the thing from the get-go
     - IRIs and mime-typed things are already in there so why not content-based addressing
 
+ - Check out https://hitchdev.com/strictyaml/, in particular the "Why
+   StrictYAML?" and "Design justifications" sections; perhaps borrow
+   elements of that structure for writing a comparison of Preserves
+   with other things
+
 It is becoming VERY CLEAR that on-the-wire efficiency is... a
 secondary concern. Perhaps revise the binary syntax to be less terse
 and better for simple encoding and for term ordering,