diff --git a/activity.html b/activity.html
index 87fb5cb..0f6381b 100644
--- a/activity.html
+++ b/activity.html
@@ -20,6 +20,9 @@
         </li>
   </ul>
   <p>I'm rarely active, on the following: <ul>
+  <li><a href="https://medium.com/@tanphengheong">Medium.com
+    </a>
+    <li>
   <li><a href="https://liberapay.com/phtan">Liberapay
     </a>
   </li>