diff --git a/pictures/monarc-countries-estimation.png b/pictures/monarc-countries-estimation.png
new file mode 100644
index 0000000..7240a47
Binary files /dev/null and b/pictures/monarc-countries-estimation.png differ
diff --git a/presentation.tex b/presentation.tex
index ecf2b87..50224aa 100755
--- a/presentation.tex
+++ b/presentation.tex
@@ -147,7 +147,8 @@ \section*{Conclusion}
     \end{block}
     \bigskip
     \begin{center}
-        Interoperability can only be achieved by sharing information and with open source software and fighting against patents.
+        Interoperability can only be achieved by sharing information and with open
+        source software and with data interoperability.
     \end{center}
 \end{frame}
 
@@ -232,6 +233,20 @@ \section{A community}
             \item a goal is to build a sharing community and a global dashboard\footnote{\url{https://dashboard.monarc.lu}}.
         \end{itemize}
     \end{center}
+    \bigskip
+    A common vocabulary is important as well as good translations.
+
+    \bigskip
+    Always take into account feedbacks of the community.
+\end{frame}
+
+
+\begin{frame}
+    \frametitle{Already known across Europe}
+    \framesubtitle{Estimation of MONARC users/instances}
+    \begin{figure}
+        \includegraphics[width=10.3cm]{./pictures/monarc-countries-estimation.png}
+      \end{figure}
 \end{frame}
 
 
@@ -241,6 +256,7 @@ \section{Democratization of risk analysis}
     \framesubtitle{Democratization of risk analysis}
     \begin{center}
         \begin{itemize}
+            \item we are always open to comments for improvements;
             \item we are devoted to help and secure small businesses;
             \item we want uncompromising simple, fast and cost-effective risk analysis;
             \item \url{https://my.monarc.lu} is the free service based on MONARC (currently the host of approximately 260 independant instances).
@@ -254,11 +270,8 @@ \section*{Conclusion}
 \begin{frame}
     \frametitle{Interoperability by sharing knowledge}
     \begin{center}
-        Interoperability can only be achieved by sharing information and with open source software.
-    \end{center}
-    \bigskip
-    \begin{center}
-        We are always open to discuss in order to improve the current situation of interoperability in the information security field.
+        Interoperability can only be achieved by sharing information with open source
+        software, interoperability of data and a common vocabulary.
     \end{center}
 \end{frame}