diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -8,7 +8,7 @@
 return array(
   'names' => array(
     'core.pkg.css' => '974635bb',
-    'core.pkg.js' => 'f0e2c091',
+    'core.pkg.js' => 'cbdbd552',
     'darkconsole.pkg.js' => 'df001cab',
     'differential.pkg.css' => '36884139',
     'differential.pkg.js' => '73337d1d',
@@ -348,7 +348,7 @@
     'rsrc/image/texture/table_header_hover.png' => '038ec3b9',
     'rsrc/image/texture/table_header_tall.png' => 'd56b434f',
     'rsrc/js/application/aphlict/Aphlict.js' => '4a07e8e3',
-    'rsrc/js/application/aphlict/behavior-aphlict-dropdown.js' => 'f51afce0',
+    'rsrc/js/application/aphlict/behavior-aphlict-dropdown.js' => '7d4cc76c',
     'rsrc/js/application/aphlict/behavior-aphlict-listen.js' => 'a826c925',
     'rsrc/js/application/aphlict/behavior-aphlict-status.js' => '58f7803f',
     'rsrc/js/application/auth/behavior-persona-login.js' => '9414ff18',
@@ -448,6 +448,7 @@
     'rsrc/js/core/Prefab.js' => 'bbae734c',
     'rsrc/js/core/ShapedRequest.js' => '7cbe244b',
     'rsrc/js/core/TextAreaUtils.js' => '5c93c52c',
+    'rsrc/js/core/Title.js' => '5c1c758c',
     'rsrc/js/core/ToolTip.js' => '3915d490',
     'rsrc/js/core/behavior-active-nav.js' => 'e379b58e',
     'rsrc/js/core/behavior-audio-source.js' => '59b251eb',
@@ -542,7 +543,7 @@
     'inline-comment-summary-css' => '8cfd34e8',
     'javelin-aphlict' => '4a07e8e3',
     'javelin-behavior' => '61cbc29a',
-    'javelin-behavior-aphlict-dropdown' => 'f51afce0',
+    'javelin-behavior-aphlict-dropdown' => '7d4cc76c',
     'javelin-behavior-aphlict-listen' => 'a826c925',
     'javelin-behavior-aphlict-status' => '58f7803f',
     'javelin-behavior-aphront-basic-tokenizer' => 'b3a4b884',
@@ -740,6 +741,7 @@
     'phabricator-source-code-view-css' => '7d346aa4',
     'phabricator-standard-page-view' => '517cdfb1',
     'phabricator-textareautils' => '5c93c52c',
+    'phabricator-title' => '5c1c758c',
     'phabricator-tooltip' => '3915d490',
     'phabricator-transaction-view-css' => '5d0cae25',
     'phabricator-ui-example-css' => '528b19de',
@@ -1190,6 +1192,9 @@
       'javelin-behavior',
       'javelin-stratcom',
     ),
+    '5c1c758c' => array(
+      'javelin-install',
+    ),
     '5c54cbf3' => array(
       'javelin-behavior',
       'javelin-stratcom',
@@ -1328,6 +1333,16 @@
       'javelin-request',
       'javelin-router',
     ),
+    '7d4cc76c' => array(
+      'javelin-behavior',
+      'javelin-request',
+      'javelin-stratcom',
+      'javelin-vector',
+      'javelin-dom',
+      'javelin-uri',
+      'javelin-behavior-device',
+      'phabricator-title',
+    ),
     '7e41274a' => array(
       'javelin-install',
     ),
@@ -1859,15 +1874,6 @@
       'phuix-action-view',
       'javelin-workflow',
     ),
-    'f51afce0' => array(
-      'javelin-behavior',
-      'javelin-request',
-      'javelin-stratcom',
-      'javelin-vector',
-      'javelin-dom',
-      'javelin-uri',
-      'javelin-behavior-device',
-    ),
     'f588412e' => array(
       'javelin-behavior',
       'javelin-dom',
diff --git a/src/view/page/menu/PhabricatorMainMenuView.php b/src/view/page/menu/PhabricatorMainMenuView.php
--- a/src/view/page/menu/PhabricatorMainMenuView.php
+++ b/src/view/page/menu/PhabricatorMainMenuView.php
@@ -349,6 +349,8 @@
           'dropdownID'  => $message_dropdown_id,
           'loadingText' => pht('Loading...'),
           'uri'         => '/conpherence/panel/',
+          'countType'   => 'messages',
+          'countNumber' => $message_count_number,
         ));
 
       $message_notification_dropdown = javelin_tag(
@@ -428,6 +430,8 @@
           'dropdownID'  => $dropdown_id,
           'loadingText' => pht('Loading...'),
           'uri'         => '/notification/panel/',
+          'countType'   => 'notifications',
+          'countNumber' => $count_number,
         ));
 
       $notification_dropdown = javelin_tag(
diff --git a/webroot/rsrc/js/application/aphlict/behavior-aphlict-dropdown.js b/webroot/rsrc/js/application/aphlict/behavior-aphlict-dropdown.js
--- a/webroot/rsrc/js/application/aphlict/behavior-aphlict-dropdown.js
+++ b/webroot/rsrc/js/application/aphlict/behavior-aphlict-dropdown.js
@@ -7,6 +7,7 @@
  *           javelin-dom
  *           javelin-uri
  *           javelin-behavior-device
+ *           phabricator-title
  */
 
 JX.behavior('aphlict-dropdown', function(config, statics) {
@@ -24,6 +25,8 @@
   var request = null;
   var dirty = config.local ? false : true;
 
+  JX.Title.setCount(config.countType, config.countNumber);
+
   function refresh() {
     if (dirty) {
       JX.DOM.setContent(dropdown, config.loadingText);
@@ -38,6 +41,8 @@
     }
 
     request = new JX.Request(config.uri, function(response) {
+      JX.Title.setCount(config.countType, response.number);
+
       var display = (response.number > 999) ? '\u221E' : response.number;
 
       JX.DOM.setContent(count, display);
diff --git a/webroot/rsrc/js/core/Title.js b/webroot/rsrc/js/core/Title.js
new file mode 100644
--- /dev/null
+++ b/webroot/rsrc/js/core/Title.js
@@ -0,0 +1,43 @@
+/**
+ * @requires javelin-install
+ * @provides phabricator-title
+ * @javelin
+ */
+
+/**
+ * Update the document title to show a notification/message count.
+ */
+JX.install('Title', {
+  statics: {
+    _counts: {},
+    _title: null,
+
+    setCount: function(k, v) {
+      var self = JX.Title;
+      self._counts[k] = v;
+      self._update();
+    },
+
+    _update: function() {
+      var self = JX.Title;
+
+      if (self._title === null) {
+        self._title = document.title;
+      }
+
+      var sum = 0;
+      for (var k in self._counts) {
+        sum += parseInt(self._counts[k], 10) || 0;
+      }
+
+      var title;
+      if (sum) {
+        title = '(' + sum + ') ' + self._title;
+      } else {
+        title = self._title;
+      }
+
+      document.title = title;
+    }
+  }
+});