--- a/talk/talk.tex
+++ b/talk/talk.tex
@@ -63,6 +63,55 @@
   omg
 \end{frame}
 
+
+\begin{frame}
+  \begin{center}
+    \pgfimage[width=4in]{img/naive/x-orig.png}
+  \end{center}
+
+  Take some $X$ random numbers.
+\end{frame}
+
+\begin{frame}
+  \begin{center}
+    \pgfimage[width=4in]{img/naive/x-sorted.png}
+  \end{center}
+
+  Sort them.
+\end{frame}
+
+\begin{frame}
+  \begin{center}
+    \pgfimage[width=4in]{img/naive/sortx-red.png}
+  \end{center}
+
+  Pick the median.
+\end{frame}
+
+\begin{frame}
+  \begin{overlayarea}{\textwidth}{8cm}
+    \only<1>{%
+      \begin{center}
+        \pgfimage[height=2in]{img/naive/medc-computation-init.png}
+      \end{center}
+      Split up $X$ into $X^+$ and $X^-$ along the median.}
+    \only<2>{%
+      \begin{center}
+        \pgfimage[height=2in]{img/naive/medc-computation.png}
+      \end{center}
+      Evaluate the kernel for all couples.
+      \[
+      \frac{ (x_i^+ - x_m) - (x_m - x_j^-)}{x_i - x_j},
+      \quad x_i^+ \in X^+, \quad x_j^- \in X^-
+      \]}
+    \only<3>{%
+      \begin{center}
+        \pgfimage[height=2in]{img/naive/medc-computation-done.png}
+      \end{center}
+      The median of this matrix is the medcouple.}
+  \end{overlayarea}
+\end{frame}
+
 \section{Computation of the Medcouple}
 
 \begin{frame}