diff --git a/distributed-knowledge-graph.md b/distributed-knowledge-graph.md
index 2802eb19f..9a7410fb3 100644
--- a/distributed-knowledge-graph.md
+++ b/distributed-knowledge-graph.md
@@ -8,7 +8,9 @@
   -  by [[joel gustafson]] of the [[knowledge futures group]].
 - The [[agora]] is built around one, or is an interface to many, depending of how you look at it.
   - It is an [[integrated repository]] of [[digital gardens]].
+    - The default exchange format is [[markdown]] on [[git]].
   - I strive to integrate it as well as I can with the [[federated ecosystem]].
+    - It should eventually support in particular [[activity pub]], [[web annotations]], [[rdf]], [[agora protocol]].
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [graph]: graph "Graph"
@@ -21,4 +23,6 @@
 [go]: go "Go"
 [agora]: agora "Agora"
 [digital gardens]: digital-gardens "Digital Gardens"
+[markdown]: markdown "Markdown"
+[rdf]: rdf "RDF"
 [//end]: # "Autogenerated link references"
\ No newline at end of file