diff --git a/app/db.py b/app/db.py
index bfe8be8..bf2138f 100644
--- a/app/db.py
+++ b/app/db.py
@@ -222,10 +222,10 @@ class Subnode:
     def render(self):
         # hack hack
         if self.uri.endswith('md') or self.uri.endswith('MD'):
-            return render.markdown(self.content)
+            content = render.markdown(self.content)
         if self.uri.endswith('org') or self.uri.endswith('ORG'):
-            print("trying to render org-mode")
-            return render.orgmode(self.content)
+            content = render.orgmode(self.content)
+        return render.postprocess(content)
 
     def go(self):
         """
diff --git a/app/render.py b/app/render.py
index 6f5d089..9ecf5a3 100644
--- a/app/render.py
+++ b/app/render.py
@@ -49,5 +49,16 @@ class Wikilinks():
 markdown = Markdown(extensions=[Wikilinks])
 
 
-# Org-mode goes here.
+# Org-mode -- simple but, well, bad for now.
 orgmode = to_html
+
+
+# Twitter embeds.
+def add_twitter_embeds(content):
+    TWITTER_REGEX='(https://twitter.com/\w+/status/[0-9]+)'
+    TWITTER_EMBED='<blockquote class="twitter-tweet" data-dnt="true" data-theme="dark"><a href="\\1"></blockquote><script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>'
+    return re.sub(TWITTER_REGEX, TWITTER_EMBED, content)
+
+
+# "Pipeline"
+postprocess = add_twitter_embeds