diff --git a/tutorial.html b/tutorial.html
index a9cb637..1abb4d4 100644
--- a/tutorial.html
+++ b/tutorial.html
@@ -122,6 +122,18 @@ cosmo.subscribe('testsubject', 1).then(function() {
Your test page should generate an alert popup showing the last message sent
+Pin a value
+
+
+ - Pins publish a message temporarily, until the source conncetion disconnects. This can be used for presence information
+ - Open the debug interface and subscribe to testsubject
+ - Change your test script:
+
var cosmo = new Cosmopolite();
+cosmo.pin('testsubject', 'browser is alive!');
+ - Load the test page and watch the debug page; you should see the pin.
+ - Close the test page, and the pin disappears.
+
+