diff --git a/extropian-net.md b/extropian-net.md
new file mode 100644
index 000000000..90ee16dc0
--- /dev/null
+++ b/extropian-net.md
@@ -0,0 +1,12 @@
+# Extropian.net
+
+- A [[mastodon]] instance.
+- [[push]] [[mastodon]]
+  - [[go]] extropian.net
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[mastodon]: mastodon "Mastodon"
+[push]: push "Push"
+[go]: go "Go"
+[//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/journal/2021-01-13.md b/journal/2021-01-13.md
index 5c9a1daea..875fd9ec5 100644
--- a/journal/2021-01-13.md
+++ b/journal/2021-01-13.md
@@ -1,6 +1,8 @@
 # 2021-01-13
 
 - [[linguistic example sentences]]
+- [[mastodon]]
+  - [[navertal]] told me about [[extropian.net]]
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [linguistic example sentences]: linguistic-example-sentences "Linguistic Example Sentences"