--- a/slides/slides08.tex	Tue Nov 26 13:36:39 2013 +0000
+++ b/slides/slides08.tex	Tue Nov 26 13:51:46 2013 +0000
@@ -510,12 +510,33 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \mode<presentation>{
 \begin{frame}[c]
+\frametitle{Example}
+
+\begin{center}
+\begin{tabular}{l|l}
+Name	 & Has the disease?\\\hline
+Alice          & yes\\ 
+Bob     	 & no\\
+Charlie	 & yes\\
+Eve	         & no\\
+Chandler	 & yes\\
+\end{tabular}
+\end{center}
+
+How many people have a disease?
+
+\end{frame}}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\mode<presentation>{
+\begin{frame}[c]
 \frametitle{Adding Noise}
 
 Adding noise is not as trivial as one would wish:
 
 \begin{itemize}
-\item If I ask how many of three have seen the Gangnam video and get a result
+\item If I ask how many of three have a disease and get a result
 as follows 
 
 \begin{center}
@@ -530,7 +551,7 @@
 range of \bl{$1$} to \bl{$3$}
 
 \bigskip
-\item But if I ask five questions for all the dataset (has seen Gangnam video, is male, below 30, \ldots),
+\item But if I ask five questions for all the dataset (has the disease, is male, below 30, \ldots),
 then one individual can change the dataset by \bl{$5$}
 \end{itemize}