diff --git a/examples/bot_randomExpression.js b/examples/bot_randomExpression.js
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+//
+//  bot_randomExpression.js
+//  examples
+//
+//  Created by Ben Arnold on 7/23/14.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  This is an example script that demonstrates an NPC avatar with
+//  random facial expressions.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+function getRandomFloat(min, max) {
+    return Math.random() * (max - min) + min;
+}
+
+function getRandomInt (min, max) {
+    return Math.floor(Math.random() * (max - min + 1)) + min;
+}
+
+function printVector(string, vector) {
+    print(string + " " + vector.x + ", " + vector.y + ", " + vector.z);
+}
+
+var timePassed = 0.0;
+var updateSpeed = 3.0;
+
+var X_MIN = 5.0;
+var X_MAX = 15.0;
+var Z_MIN = 5.0;
+var Z_MAX = 15.0;
+var Y_PELVIS = 1.0;
+
+// pick an integer between 1 and 100 for the body model for this bot
+botNumber = getRandomInt(1, 100);
+
+newFaceFilePrefix = "ron";
+
+newBodyFilePrefix = "bot" + botNumber;
+
+// set the face model fst using the bot number
+// there is no need to change the body model - we're using the default
+Avatar.faceModelURL = "https://s3-us-west-1.amazonaws.com/highfidelity-public/meshes/" + newFaceFilePrefix + ".fst";
+Avatar.skeletonModelURL = "https://s3-us-west-1.amazonaws.com/highfidelity-public/meshes/" + newBodyFilePrefix + ".fst";
+Avatar.billboardURL = "https://s3-us-west-1.amazonaws.com/highfidelity-public/meshes/billboards/bot" + botNumber + ".png";
+
+Agent.isAvatar = true;
+Agent.isListeningToAudioStream = true;
+
+// change the avatar's position to the random one
+Avatar.position = { x: getRandomFloat(X_MIN, X_MAX), y: Y_PELVIS, z: getRandomFloat(Z_MIN, Z_MAX) };;  
+printVector("New bot, position = ", Avatar.position);
+
+var allBlendShapes = [];
+var targetBlendCoefficient = [];
+var currentBlendCoefficient = [];
+
+function addBlendShape(s) {
+    allBlendShapes[allBlendShapes.length] = s;
+}
+
+//It is imperative that the following blendshapes are all present and are in the correct order
+addBlendShape("EyeBlink_L");
+addBlendShape("EyeBlink_R");
+addBlendShape("EyeSquint_L");
+addBlendShape("EyeSquint_R");
+addBlendShape("EyeDown_L");
+addBlendShape("EyeDown_R");
+addBlendShape("EyeIn_L");
+addBlendShape("EyeIn_R");
+addBlendShape("EyeOpen_L");
+addBlendShape("EyeOpen_R");
+addBlendShape("EyeOut_L");
+addBlendShape("EyeOut_R");
+addBlendShape("EyeUp_L");
+addBlendShape("EyeUp_R");
+addBlendShape("BrowsD_L");
+addBlendShape("BrowsD_R");
+addBlendShape("BrowsU_C");
+addBlendShape("BrowsU_L");
+addBlendShape("BrowsU_R");
+addBlendShape("JawFwd");
+addBlendShape("JawLeft");
+addBlendShape("JawOpen");
+addBlendShape("JawChew");
+addBlendShape("JawRight");
+addBlendShape("MouthLeft");
+addBlendShape("MouthRight");
+addBlendShape("MouthFrown_L");
+addBlendShape("MouthFrown_R");
+addBlendShape("MouthSmile_L");
+addBlendShape("MouthSmile_R");
+addBlendShape("MouthDimple_L");
+addBlendShape("MouthDimple_R");
+addBlendShape("LipsStretch_L");
+addBlendShape("LipsStretch_R");
+addBlendShape("LipsUpperClose");
+addBlendShape("LipsLowerClose");
+addBlendShape("LipsUpperUp");
+addBlendShape("LipsLowerDown");
+addBlendShape("LipsUpperOpen");
+addBlendShape("LipsLowerOpen");
+addBlendShape("LipsFunnel");
+addBlendShape("LipsPucker");
+addBlendShape("ChinLowerRaise");
+addBlendShape("ChinUpperRaise");
+addBlendShape("Sneer");
+addBlendShape("Puff");
+addBlendShape("CheekSquint_L");
+addBlendShape("CheekSquint_R");
+
+for (var i = 0; i < allBlendShapes.length; i++) {
+    targetBlendCoefficient[i] = 0;
+    currentBlendCoefficient[i] = 0;
+}
+
+function setRandomExpression() {
+    for (var i = 0; i < allBlendShapes.length; i++) {
+        targetBlendCoefficient[i] = Math.random();
+    }
+}
+
+var expressionChangeSpeed = 0.1;
+
+function updateBlendShapes(deltaTime) {
+  
+    for (var i = 0; i < allBlendShapes.length; i++) {
+        currentBlendCoefficient[i] += (targetBlendCoefficient[i] - currentBlendCoefficient[i]) * expressionChangeSpeed;
+        Avatar.setBlendshape(allBlendShapes[i], currentBlendCoefficient[i]);
+    }
+}
+
+function update(deltaTime) {
+    timePassed += deltaTime;
+    if (timePassed > updateSpeed) {
+        timePassed = 0;
+        setRandomExpression();
+    }
+    updateBlendShapes(deltaTime);
+}
+
+Script.update.connect(update);
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