diff --git a/activity pub.md b/activity pub.md
new file mode 100644
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--- /dev/null
+++ b/activity pub.md	
@@ -0,0 +1,3 @@
+- a [[protocol]].
+	- #pull [[activitypub]]
+	- the [[agora protocol]] is meant to build on top of [[activitypub]].
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diff --git a/mastodon instance.md b/mastodon instance.md
index ead0c5707..a51540a5d 100644
--- a/mastodon instance.md	
+++ b/mastodon instance.md	
@@ -1,2 +1,3 @@
 - a [[thing]].
-	- very [[useful]]
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+	- very [[useful]]
+	- a [[server]] that lets you [[read]] and [[write]] [[activity pub]].
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