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--- a/otbtf_pres/index.html
+++ b/otbtf_pres/index.html
@@ -82,6 +82,10 @@
             <li><h>TensorFlow 2</h> support</li>
             <li><h>Python classes</h> to build/train models</li>
           </ol>
+          <br>
+          <br>
+          <img width="45%" data-src="illustrations/ci.jpg">
+          <p><small>https://gitlab.irstea.fr/remi.cresson/otbtf</small></p>
         </section>
 
         <section>
@@ -99,18 +103,30 @@ docker pull mdl4eo/otbtf:3.3.0-gpu  # GPU enabled
 
         </section>
 
+        </section>
+
+        <!------------------------------------------------------------------------
+        WHAT FOR
+        ------------------------------------------------------------------------->
+
+        <section>
+        
+        <section>
+          <h1>What for</h1>
+        </section>
+
         <section>
           <img width="40%" data-src="illustrations/ensembles.png">
         </section>
 
         <section>
-          <h2>TensorFlow graphs</h2>
+          <h2>Tensorflow computational graphs</h2>
           <img width="17.5%" data-src="illustrations/computational_graph.gif">
           <p><small>Source: the TensorFlow website</small></p>
         </section>
 
         <section>
-          <h4>Example: scalar product</h4>
+          <h3>Example: scalar product</h3>
           <br>
           <img width="20%" data-src="illustrations/graph_1.png">
           <br>
@@ -140,8 +156,8 @@ otbcli_TensorflowModelServe                                     \
         </section>
 
         <section>
-          <h2>Deep learning in Earth Observation</h2>
-          <h3><strike>Bridging the gap between DL and EO</strike></h3>
+          <h2>Deep learning</h2>
+          <h3><strike>Bridging the gap between deep learning and EO</strike></h3>
           <h3>Bridging the gap between litterature and real life </h3>
           <img width="40%" data-src="illustrations/listof.jpg">
           <p><small>Made with imgflip.com</small></p>