diff --git a/Pasted image 20210725193123.png b/Pasted image 20210725193123.png
new file mode 100644
index 000000000..b72e678b2
Binary files /dev/null and b/Pasted image 20210725193123.png differ
diff --git a/beyond knowledge graphs.md b/beyond knowledge graphs.md
index b6ac3a7ab..72ade74bb 100644
--- a/beyond knowledge graphs.md	
+++ b/beyond knowledge graphs.md	
@@ -22,9 +22,12 @@
 		- there might be many situations where storing the timestamp of a document could be very useful
 		- take the ML space: [[transformer]] happened and it took over a chunk of the space.
 		- you get a dimension of understanding when adding the time dimension to your analysis of a space
-	- 
+	- [[mutable entries]] vs [[inmutable entries]]
+		- you can *just* add items
+		- this is very much like the motivation for [[push]] in the [[agora]]
 		
 ![[Pasted image 20210725190339.png]]
 ![[Pasted image 20210725191304.png]]
 ![[Pasted image 20210725191910.png]]
-![[Pasted image 20210725192533.png]]	
\ No newline at end of file
+![[Pasted image 20210725192533.png]]	
+![[Pasted image 20210725193123.png]]
\ No newline at end of file