--- a/slides/slides07.tex	Mon Nov 10 23:21:24 2014 +0000
+++ b/slides/slides07.tex	Mon Nov 10 23:26:45 2014 +0000
@@ -564,7 +564,6 @@
 
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\mode<presentation>{
 \begin{frame}[t]
 \frametitle{\begin{tabular}{@{}c@{}}Skype\end{tabular}}
 
@@ -579,10 +578,8 @@
 \end{itemize}
 
 
-\end{frame}}
+\end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
-
-
      
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c]