diff --git a/a-view-of-the-agora-at-a-node-is-a-comonad.md b/a-view-of-the-agora-at-a-node-is-a-comonad.md
new file mode 100644
index 000000000..0fd472170
--- /dev/null
+++ b/a-view-of-the-agora-at-a-node-is-a-comonad.md
@@ -0,0 +1,8 @@
+# A View of the Agora at a Node Is a Comonad
+
+- [[go]] https://twitter.com/s5bug/status/1343989424229498881
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[go]: go "Go"
+[//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/commonad.md b/commonad.md
new file mode 100644
index 000000000..6c0126f32
--- /dev/null
+++ b/commonad.md
@@ -0,0 +1,11 @@
+# Commonad
+
+- [[go]] http://blog.higher-order.com/blog/2016/04/02/a-comonad-of-graph-decompositions/
+- [[s5bug]] told me about them: https://twitter.com/s5bug/status/1343989424229498881
+  - [[a view of the agora at a node is a comonad]]
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[go]: go "Go"
+[s5bug]: s5bug "S5bug"
+[//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/journal/2020-12-29.md b/journal/2020-12-29.md
index 2036b78d7..a85ecb637 100644
--- a/journal/2020-12-29.md
+++ b/journal/2020-12-29.md
@@ -25,6 +25,7 @@
   - [[plan]]
   - [[journal]]
   - [[twitter bot]]
+- [[commonad]]
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [post-racial]: ../post-racial "Post Racial"