diff --git a/journal/2020-11-14.md b/journal/2020-11-14.md
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+++ b/journal/2020-11-14.md
@@ -10,6 +10,7 @@
 - I had a nice chat with [[d. p.]]
 - Wrote on the [[agora]] and [[twitter]] about [[memory]].
 - [[Liminal]] things are those whose reality depends on whether people believe in them. The [[Agora]] is liminal.
+- [[stack overflow]] could be an [[Agora]].
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [foam]: ../foam "Foam"
diff --git a/stack-exchange.md b/stack-exchange.md
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@@ -0,0 +1,4 @@
+# Stack Exchange
+
+- The [[engine]] for [[stack overflow]].
+
diff --git a/stack-overflow.md b/stack-overflow.md
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@@ -0,0 +1,5 @@
+# Stack Overflow
+
+- Essentially a crowdsourced repository of programming problems and solutions, by and for [[programmers]]. Nominally a Q&A site.
+- Nodes that are questions in the Agora could very well work like [[stack overflow]]. Or just redirect to a [[stack exchange]] site.
+