diff --git a/iap21.md b/iap21.md
index 673917135..2cd061323 100644
--- a/iap21.md
+++ b/iap21.md
@@ -45,7 +45,9 @@
     - [[incentives]] vs [[shared vision]]
   - [[examples]] from [[biology]] and [[earth]] science
     - [[inaturalist]] (!)
-    - [[geograph]]
+    - [[geograph]] (!)
+      - had to come up with a local map projection not to change base assumptions they made early on :)
+    - 
 
 
 ## [[2021-01-27]]
@@ -63,4 +65,6 @@
 [metasj]: metasj "Metasj"
 [knowledge futures group]: knowledge-futures-group "Knowledge Futures Group"
 [pubpub]: pubpub "Pubpub"
+[inaturalist]: inaturalist "Inaturalist"
+[geograph]: geograph "Geograph"
 [//end]: # "Autogenerated link references"
\ No newline at end of file