diff --git a/index.html b/index.html
index b0fd700..613e03d 100644
--- a/index.html
+++ b/index.html
@@ -733,15 +733,17 @@
 	<script src="js/reveal.js"></script>
 
 	<script>
+		var presenter = !!Reveal.getQueryHash().s;
+
 		// More info https://github.com/hakimel/reveal.js#configuration
 		Reveal.initialize({
-			controls: true,
+			controls: presenter ? false : true,
 			progress: true,
 			history: true,
 			center: true,
-			controlsTutorial: false,
+			controlsTutorial: presenter ? false : true,
 
-			slideNumber: 'c/t',
+			slideNumber: presenter ? null : 'c/t',
 
 			// The "normal" size of the presentation, aspect ratio will be preserved
 			// when the presentation is scaled to fit different resolutions. Can be
@@ -776,7 +778,7 @@
 
 				{ src: 'lib/js/socket.io.js', async: true },
 				{
-					src: Reveal.getQueryHash().s ?
+					src: presenter ?
 						'plugin/multiplex/master.js' :
 						'plugin/multiplex/client.js', async: true
 				},