diff --git a/activitypub.md b/activitypub.md
index 1c7dc4961..bc8863a9d 100644
--- a/activitypub.md
+++ b/activitypub.md
@@ -1,10 +1,14 @@
 # ActivityPub
 
-- A standard for open social networks
+- [[go]] https://www.w3.org/TR/activitypub/
+  - A standard for open social networks
+- One of the [[social web protocols]].
+- One of the [[fediverse]] protocols.
 - I discussed this on Twitter; should link those conversations here, they were great
-- https://www.w3.org/TR/activitypub/
 - [[go]] https://activitypub.rocks
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [go]: go "Go"
+[social web protocols]: social-web-protocols "Social Web Protocols"
+[fediverse]: fediverse "Fediverse"
 [//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/extensible-redirects.md b/extensible-redirects.md
new file mode 100644
index 000000000..ea28fc905
--- /dev/null
+++ b/extensible-redirects.md
@@ -0,0 +1,2 @@
+# Extensible Redirects
+
diff --git a/journal/2021-01-13.md b/journal/2021-01-13.md
index 635ab20b4..40dfd2ae6 100644
--- a/journal/2021-01-13.md
+++ b/journal/2021-01-13.md
@@ -77,6 +77,7 @@
 [hypnagogic]: ../hypnagogic "Hypnagogic"
 [liberapay]: ../liberapay "Liberapay"
 [bip39]: ../bip39 "Bip39"
+[extensible redirects]: ../extensible-redirects "Extensible Redirects"
 [do]: ../do "Do"
 [wednesday]: ../wednesday "Wednesday"
 [comms]: ../comms "Comms"