diff --git a/content/programming.tree b/content/programming.tree
index cfcfe6c..552ea0f 100644
--- a/content/programming.tree
+++ b/content/programming.tree
@@ -15,6 +15,9 @@
       id = "01HY5R1ZW0M0Y5KQ1E8F0Q73ZT"
     + :page: places, or what is up with `*x` not always meaning the same thing
 
+    % content.link = "programming/blog/systems"
+    + :page: systems are just a bunch of code
+
     % content.link = "programming/blog/or-types"
       id = "01HTWN4XB2YMF3615BE8V6Y76A"
     + :page: OR-types
diff --git a/content/treehouse/new.tree b/content/treehouse/new.tree
index e6285a4..bad6a81 100644
--- a/content/treehouse/new.tree
+++ b/content/treehouse/new.tree
@@ -10,6 +10,14 @@
 
 [read][page:programming/blog/tairu]
 
+- a while back I was casually exploring the Unreal Engine codebase at work, and thought to myself that
+
+### systems are just a bunch of code
+
+now released. from the backburner. I can't believe I forgot to add an entry about it to the [programming blog branch][branch:01HPD4XQQ5GPQ20C6BPA8G670F].
+
+[don't be afraid][page:programming/blog/systems]
+
 % id = "01J0KRPMV7SS48B64BFCJZK7VQ"
 - it's updatin' time! I took some time to clean up old pages and update my *about me*.\
 over time I've been learning how to write content on the treehouse effectively, and the new about me reflects that.