diff --git a/controllers/feedback/index.js b/controllers/feedback/index.js
new file mode 100644
index 0000000..422bb2e
--- /dev/null
+++ b/controllers/feedback/index.js
@@ -0,0 +1,9 @@
+module.exports.index = function(req, res) {
+    res.setHeader('Content-Type', 'text/html');
+
+    res.render('index.jade', res.locals, function(err, result) {
+        console.log(err);
+        res.send(result);
+    });
+};
+
diff --git a/controllers/feedback/urls.js b/controllers/feedback/urls.js
new file mode 100644
index 0000000..29e3416
--- /dev/null
+++ b/controllers/feedback/urls.js
@@ -0,0 +1,3 @@
+module.exports = {
+    '/feedback': 'index',
+};
diff --git a/controllers/feedback/views/index.jade b/controllers/feedback/views/index.jade
new file mode 100644
index 0000000..8e5edb3
--- /dev/null
+++ b/controllers/feedback/views/index.jade
@@ -0,0 +1,24 @@
+extends ../../../views/base.jade
+
+mixin question(id, qu)
+    label(for="#{id}") #{qu}
+    input.form-control(name="answer#{id}", type="text", placeholder="Answer")
+
+block extrahead
+    link(rel="stylesheet", href="/static/css/feedback.css")
+
+block content
+    form.form-signin(method="POST", action='/feedback-target')
+        h2 Please give us your feedback
+
+        +question(1, "Did you have trouble to find the coins without the recommendations ?")
+        +question(2, "Did the recommendations helped you to find the coins ?")
+        +question(3, "Did the recommendations helped you to browser the scene ?")
+        +question(4, "Do you think recommendations can be helpful ?")
+        +question(5, "Which recommendation style do you prefer and why ?")
+
+        //-label(for='input1') Did you have trouble to find the coins during the first step ?
+        //-input#input1.form-control(name="input1", type="text", placeholder='Id')
+
+        button.btn.btn-lg.btn-primary.btn-block(type='submit') Submit
+
diff --git a/controllers/prototype/dbrequests.js b/controllers/prototype/dbrequests.js
index f5833c3..7a8df74 100644
--- a/controllers/prototype/dbrequests.js
+++ b/controllers/prototype/dbrequests.js
@@ -506,10 +506,11 @@ DBReq.UserCreator.prototype.finish = function() {
  * @memberof DBReq
  * @constructor
  */
-DBReq.ExpCreator = function(user_id, scene_id, finishAction) {
+DBReq.ExpCreator = function(user_id, scene_id, template, finishAction) {
     this.finishAction = finishAction;
     this.user_id = user_id;
     this.scene_id = scene_id;
+    this.template = template;
 
     // Connect to db
     var self = this;
@@ -526,8 +527,8 @@ DBReq.ExpCreator = function(user_id, scene_id, finishAction) {
 DBReq.ExpCreator.prototype.execute = function() {
     var self = this;
     this.client.query(
-        "INSERT INTO experiment(user_id, scene_id) VALUES($1,$2);",
-        [self.user_id, self.scene_id],
+        "INSERT INTO experiment(user_id, scene_id, template) VALUES($1,$2,$3);",
+        [self.user_id, self.scene_id, self.template],
         function(err, result) {
             self.client.query("SELECT MAX(id) AS id FROM experiment;", function(err, result) {
                 self.finalResult = result.rows[0].id;
@@ -776,8 +777,8 @@ DBReq.createUser = function(callback) {
  * @param scene_id {Number} id of the scene on which the experiment is
  * @param callback {function} callback called on the new experiment id
  */
-DBReq.createExp = function(id, scene_id, callback) {
-    new DBReq.ExpCreator(id, scene_id, callback);
+DBReq.createExp = function(id, scene_id, template, callback) {
+    new DBReq.ExpCreator(id, scene_id, template, callback);
 };
 
 /**
diff --git a/controllers/prototype/index.js b/controllers/prototype/index.js
index d1e2506..976bc61 100644
--- a/controllers/prototype/index.js
+++ b/controllers/prototype/index.js
@@ -32,6 +32,18 @@ function randomArray() {
     return arr;
 }
 
+
+function randomReco() {
+    var recoStyles = [
+        'prototype_empty.jade',
+        'prototype_viewports.jade',
+        'prototype_arrows.jade'
+    ];
+
+    return shuffle(recoStyles);
+
+}
+
 module.exports.index = function(req, res) {
     res.setHeader('Content-Type', 'text/html');
 
@@ -51,6 +63,15 @@ var generateSceneNumber = function(req, res) {
     return req.session.scenes[req.session.currentSceneIndex];
 };
 
+var generateRecommendationStyle = function(req, res) {
+
+    if (req.session.recos === undefined) {
+        req.session.recos = randomReco();
+    }
+
+    return req.session.recos.shift();
+}
+
 var sceneToFunction = function(scene) {
     switch (scene) {
         case 2:
@@ -65,14 +86,23 @@ var sceneToFunction = function(scene) {
 };
 
 var protoHelper = function(template) {
+
     return function(req, res) {
+
+        template = generateRecommendationStyle(req, res);
+
+        if (template === undefined) {
+            res.redirect('/feedback');
+            return;
+        }
+
         db.tryUser(req.session.user_id, function(id) {
             // Get random scene number
             var scene = generateSceneNumber(req, res);
             res.locals.scene = sceneToFunction(scene);
             req.session.user_id = id;
 
-            db.createExp(id, req.session.scenes[req.session.currentSceneIndex], function(id) {
+            db.createExp(id, req.session.scenes[req.session.currentSceneIndex], template, function(id) {
                 req.session.exp_id = id;
                 req.session.save();
                 res.setHeader('Content-Type','text/html');
@@ -87,6 +117,7 @@ var protoHelper = function(template) {
 module.exports.arrows = protoHelper('prototype_arrows.jade');
 module.exports.viewports = protoHelper('prototype_viewports.jade');
 module.exports.reverse = protoHelper('prototype_reverse.jade');
+module.exports.empty = protoHelper('prototype_empty.jade');
 
 module.exports.sponza = function(req, res) {
     res.setHeader('Content-Type', 'text/html');
@@ -143,7 +174,7 @@ module.exports.tutorial = function(req, res) {
         req.session.user_id = id;
 
         // 1 is the ID of peach scene
-        db.createExp(id, 1, function(id) {
+        db.createExp(id, 1, null, function(id) {
             req.session.exp_id = id;
             req.session.save();
 
diff --git a/controllers/prototype/urls.js b/controllers/prototype/urls.js
index 242c3d0..62616e1 100644
--- a/controllers/prototype/urls.js
+++ b/controllers/prototype/urls.js
@@ -2,6 +2,7 @@ module.exports = {
     '/prototype': 'index',
     '/prototype/arrows': 'arrows',
     '/prototype/viewports': 'viewports',
+    '/prototype/empty': 'empty',
     '/prototype/reverse': 'reverse',
     '/prototype/replay': 'replay_index',
     '/prototype/replay/:id': 'replay',
diff --git a/controllers/prototype/views/prototype.jade b/controllers/prototype/views/prototype.jade
index 8eb3e28..305182f 100644
--- a/controllers/prototype/views/prototype.jade
+++ b/controllers/prototype/views/prototype.jade
@@ -40,8 +40,10 @@ block content
                 input#lock(type="checkbox", style={'margin-right': '10px', 'margin-bottom': '10px'}, checked)
                 label(for="lock" style={'margin-right':'10px'}) Pointer lock
 
-                input#showarrows(type="checkbox", style={'margin-right': '10px', 'margin-bottom': '10px'}, checked)
-                label(for="showarrows" style={'margin-right':'10px'}) Show arrows
+                input#showarrows(type="checkbox", style={'margin-right': '10px', 'margin-bottom': '10px', 'display':'none'}, checked)
+                label(for="showarrows" style={'margin-right':'10px', 'display': 'none'}) Show arrows
+
+                block lastbutton
 
                 //-input#recommendation(type="checkbox", style={'margin-right': '10px', 'margin-bottom': '10px'})
                 //-label(for="recommendation" style={'margin-right':'10px'}) Fixed prev
diff --git a/controllers/prototype/views/prototype_arrows.jade b/controllers/prototype/views/prototype_arrows.jade
index cb7694d..c4ddb63 100644
--- a/controllers/prototype/views/prototype_arrows.jade
+++ b/controllers/prototype/views/prototype_arrows.jade
@@ -5,6 +5,17 @@ block title
 
 block configjs
     script Recommendation = L3D.ArrowRecommendation;
+    script.
+        Coin.onLastCoin = function() {
+            $('#next').show();
+            $('#next').click(function() {
+                window.location = '/prototype/arrows';
+            });
+        };
+
+block lastbutton
+    button#next.btn.btn-success.navbar-btn(style={'margin-right':'10px', 'margin-bottom':'10px', 'display':'none'})
+        span Go to the next step
 
 //-block preciseDescription
     p
diff --git a/controllers/prototype/views/prototype_empty.jade b/controllers/prototype/views/prototype_empty.jade
new file mode 100644
index 0000000..9dfdda3
--- /dev/null
+++ b/controllers/prototype/views/prototype_empty.jade
@@ -0,0 +1,25 @@
+extends ./prototype_interactive
+
+block title
+    title #{title} - Prototype - Arrows
+
+block configjs
+    script Recommendation = L3D.EmptyRecommendation;
+    script.
+        Coin.onLastCoin = function() {
+            $('#next').show();
+            $('#next').click(function() {
+                window.location = '/prototype/arrows';
+            });
+        };
+
+block lastbutton
+    button#next.btn.btn-success.navbar-btn(style={'margin-right':'10px', 'margin-bottom':'10px', 'display':'none'})
+        span Go to the next step
+
+//-block preciseDescription
+    p
+        | Recommended views are displayed with a
+        | transparent blue arrow.  They disappear when you
+        | come closer to them, and shows the motion between
+        | your current position and the recommendation.
diff --git a/controllers/prototype/views/prototype_viewports.jade b/controllers/prototype/views/prototype_viewports.jade
index 13b35dd..ac5ad60 100644
--- a/controllers/prototype/views/prototype_viewports.jade
+++ b/controllers/prototype/views/prototype_viewports.jade
@@ -5,6 +5,17 @@ block title
 
 block configjs
     script Recommendation = L3D.ViewportRecommendation;
+    script.
+        Coin.onLastCoin = function() {
+            $('#next').show();
+            $('#next').click(function() {
+                window.location = '/prototype/arrows';
+            });
+        };
+
+block lastbutton
+    button#next.btn.btn-success.navbar-btn(style={'margin-right':'10px', 'margin-bottom':'10px', 'display':'none'})
+        span Go to the next step
 
 //-block preciseDescription
     p
diff --git a/controllers/thankyou/index.js b/controllers/thankyou/index.js
new file mode 100644
index 0000000..422bb2e
--- /dev/null
+++ b/controllers/thankyou/index.js
@@ -0,0 +1,9 @@
+module.exports.index = function(req, res) {
+    res.setHeader('Content-Type', 'text/html');
+
+    res.render('index.jade', res.locals, function(err, result) {
+        console.log(err);
+        res.send(result);
+    });
+};
+
diff --git a/controllers/thankyou/urls.js b/controllers/thankyou/urls.js
new file mode 100644
index 0000000..6a7832a
--- /dev/null
+++ b/controllers/thankyou/urls.js
@@ -0,0 +1,3 @@
+module.exports = {
+    '/thankyou': 'index',
+};
diff --git a/controllers/thankyou/views/index.jade b/controllers/thankyou/views/index.jade
new file mode 100644
index 0000000..013254a
--- /dev/null
+++ b/controllers/thankyou/views/index.jade
@@ -0,0 +1,5 @@
+extends ../../../views/base.jade
+
+block content
+    h1 Thank you for everything !
+
diff --git a/js/Makefile b/js/Makefile
index c4fb629..baa041f 100644
--- a/js/Makefile
+++ b/js/Makefile
@@ -29,6 +29,7 @@ L3D:
 		--js l3d/src/recommendations/ViewportRecommendation.js \
 		--js l3d/src/recommendations/ArrowRecommendation.js \
 		--js l3d/src/recommendations/ReverseRecommendation.js \
+		--js l3d/src/recommendations/EmptyRecommendation.js \
 		--js l3d/src/cameras/ReplayCamera.js \
 		--js l3d/src/cameras/Camera.js \
 		--js l3d/src/cameras/FixedCamera.js \
diff --git a/js/l3d/apps/prototype/Coin.js b/js/l3d/apps/prototype/Coin.js
index 3f6b34e..27a74cc 100644
--- a/js/l3d/apps/prototype/Coin.js
+++ b/js/l3d/apps/prototype/Coin.js
@@ -156,6 +156,9 @@ Coin.prototype.get = function() {
 
         Coin.sounds[(Coin.total ++)  - 1].play();
         if (Coin.total === 9) {
+            if (typeof Coin.onLastCoin === 'function') {
+                Coin.onLastCoin();
+            }
             // You got the last coin
             var music = document.getElementById('music');
             if (music !== null) {
diff --git a/js/l3d/apps/prototype/tutorial/TutorialSteps.js b/js/l3d/apps/prototype/tutorial/TutorialSteps.js
index a962932..ead20c4 100644
--- a/js/l3d/apps/prototype/tutorial/TutorialSteps.js
+++ b/js/l3d/apps/prototype/tutorial/TutorialSteps.js
@@ -111,7 +111,7 @@ var TutorialSteps = function(tutoCamera, scene, coins, onWindowResize, container
             justclick:false
         },
         {
-            text: "Congratulations ! You've successfully finished the tutorial !",
+            text: "Congratulations ! You've successfully finished the tutorial ! <a href=\"/prototype/empty\">Click here</a> to start.",
             justclick: false
         }
     ];
diff --git a/js/l3d/src/recommendations/EmptyRecommendation.js b/js/l3d/src/recommendations/EmptyRecommendation.js
new file mode 100644
index 0000000..fedfa3b
--- /dev/null
+++ b/js/l3d/src/recommendations/EmptyRecommendation.js
@@ -0,0 +1,20 @@
+L3D.EmptyRecommendation = function() {
+    L3D.BaseRecommendation.apply(this, arguments);
+    this.target = new THREE.Vector3();
+};
+
+L3D.EmptyRecommendation.prototype = Object.create(L3D.BaseRecommendation.prototype);
+L3D.EmptyRecommendation.prototype.constructor = L3D.EmptyRecommendation;
+
+
+L3D.EmptyRecommendation.prototype.raycast = function() {};
+L3D.EmptyRecommendation.prototype.check = function() {};
+L3D.EmptyRecommendation.prototype.initExtremity = function() {};
+L3D.EmptyRecommendation.prototype.updateExtremity = function() {};
+L3D.EmptyRecommendation.prototype.setSize = function() {};
+L3D.EmptyRecommendation.prototype.update = function() {};
+L3D.EmptyRecommendation.prototype.regenerateArrow = function() {};
+L3D.EmptyRecommendation.prototype.look = function() {};
+L3D.EmptyRecommendation.prototype.addToScene = function() {};
+
+
diff --git a/posts/feedback-target/index.js b/posts/feedback-target/index.js
new file mode 100644
index 0000000..b9e6ff5
--- /dev/null
+++ b/posts/feedback-target/index.js
@@ -0,0 +1,25 @@
+var mail = require('../../lib/mail.js');
+var Log = require('../../lib/NodeLog.js');
+
+module.exports.index = function(req, res) {
+
+    var text = '';
+
+    for (var i in req.body) {
+        text += i + ' : ' + req.body[i] + '\n'
+    }
+
+    mail.send({
+        from: req.session.user_id + " <" + req.session.user_id + "@toto.tata>",
+        to:   "Thomas <thomas.forgione@gmail.com>",
+        subject:  "By " + req.session.user_id,
+        text: text
+    }, function(err, message) {
+        if (err !== null) {
+            Log.mailerror(err);
+        }
+    });
+
+    res.redirect('/thankyou');
+
+};
diff --git a/posts/feedback-target/urls.js b/posts/feedback-target/urls.js
new file mode 100644
index 0000000..be397c1
--- /dev/null
+++ b/posts/feedback-target/urls.js
@@ -0,0 +1,3 @@
+module.exports = {
+    '/feedback-target': 'index'
+};
diff --git a/posts/identification/index.js b/posts/identification/index.js
index 41218db..44749c9 100644
--- a/posts/identification/index.js
+++ b/posts/identification/index.js
@@ -30,7 +30,7 @@ module.exports.index = function(req, res) {
                     );
                 });
 
-                res.redirect('/');
+                res.redirect('/prototype/tutorial');
 
             });
         } else {
diff --git a/sql/backup.pgsql b/sql/backup.pgsql
index 1025564..47e22f4 100644
--- a/sql/backup.pgsql
+++ b/sql/backup.pgsql
@@ -51,7 +51,8 @@ CREATE TABLE Scene(
 CREATE TABLE Experiment(
     id SERIAL PRIMARY KEY,
     user_id SERIAL REFERENCES Users (id),
-    scene_id SERIAL REFERENCES Scene (id)
+    scene_id SERIAL REFERENCES Scene (id),
+    template VARCHAR(30)
 );
 
 CREATE TABLE Coin(
diff --git a/static/css/feedback.css b/static/css/feedback.css
new file mode 100644
index 0000000..fe12a47
--- /dev/null
+++ b/static/css/feedback.css
@@ -0,0 +1,38 @@
+body {
+  padding-top: 40px;
+  padding-bottom: 40px;
+  background-color: #eee;
+}
+
+.form-signin {
+  padding: 15px;
+  margin: 0 auto;
+}
+.form-signin .form-signin-heading,
+.form-signin .checkbox {
+  margin-bottom: 10px;
+}
+.form-signin .checkbox {
+  font-weight: normal;
+}
+.form-signin .form-control {
+  position: relative;
+  height: auto;
+  -webkit-box-sizing: border-box;
+     -moz-box-sizing: border-box;
+          box-sizing: border-box;
+  padding: 10px;
+  font-size: 16px;
+}
+.form-signin .form-control:focus {
+  z-index: 2;
+}
+.form-signin input {
+  margin-bottom: 5px;
+  margin-top: 5px;
+}
+
+.form-signin label {
+  margin-right: 0px;
+  margin-left: 0px;
+}