open fixes

1 files changed, 38 insertions, 41 deletions

diff --git a/presentations/taler-mdb-36c3/lectures/presentation_36C3.tex b/presentations/taler-mdb-36c3/lectures/presentation_36C3.tex
index 96ac947..a693b49 100644
--- a/presentations/taler-mdb-36c3/lectures/presentation_36C3.tex
+++ b/presentations/taler-mdb-36c3/lectures/presentation_36C3.tex
@@ -4,7 +4,7 @@
 \lecture[36C3]{Buying Snacks via NFC with GNU Taler}
 
 \subtitle{Short overview GNU Taler\\
-					Payment system prototype\\ 
+					Payment system prototype\\
 					Support of MDB communication protocol\\
 					\vspace{-2em}
 					}
@@ -12,7 +12,7 @@
 \date{Dec. 27, 2019}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Do not modify the following lines untile section : 
+%% Do not modify the following lines untile section :
 %%                                   -> "Add your presentation content"
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
@@ -41,21 +41,21 @@
 		\item Marco Boss, BSc Computer Science, BUAS
 		\item Dominik Hofer, BSc Micro- and Medical Technology, BUAS
 	\end{itemize}
-		
+
 	\begin{figure}
 	\centering
   		\includegraphics[width=.4\textwidth]{students}
 	\end{figure}
-		
+
 	\begin{itemize}
-		\item Project Supervisors
+		\item Project supervisors
 			\begin{itemize}
-			\item Prof. Dr. Christian Grothoff
-			\item Prof. Andreas Habegger
+			\item Christian Grothoff
+			\item Andreas Habegger
 		\end{itemize}
 	\end{itemize}
 	}
-	
+
 }
 \note{}
 
@@ -69,7 +69,7 @@
 		\end{figure}
 		\vspace{3mm}
 		\begin{itemize}
-			\setlength\itemsep{2em}	
+			\setlength\itemsep{2em}
 			\item <2-> Privacy-preserving\\
 				\quad Spend money anonymously
 			\item <3-> Practical\\
@@ -89,9 +89,6 @@
 		\begin{block}{Further information}
     			https://taler.net\\
   		\end{block}
-		\begin{block}{Further information}
-			Youtube
-		\end{block}
 	}
 }\note{
 }
@@ -103,35 +100,35 @@
   \framesubtitle{Implementation of a Taler based vending machine}
 
 	\begin{itemize} %% item sep set!! 2em
-	\setlength\itemsep{2em}	
+	\setlength\itemsep{2em}
 		\item <1-> Motivation
 			\begin{itemize} %% item sep set!! 1em
-			\setlength\itemsep{1em}	
+			\setlength\itemsep{1em}
 				\item Easy to use Taler demonstrator
 				\item Give the customer the ability to buy goods using Taler
 				\item Doing a cool project with a real use case
-			\end{itemize}  
+			\end{itemize}
 		\item <2-> Goals
 			\begin{itemize}  %% item sep set!! 1em
-			\setlength\itemsep{1em}	
+			\setlength\itemsep{1em}
 				\item Integration of Taler API in Embedded Linux environment
 				\item Integration of communication protocol supported by vending machines (MDB/ICP)
-				\item Building a prototype based on Taler payment system 
-			\end{itemize}  
+				\item Building a prototype based on Taler payment system
+			\end{itemize}
 		\item <3-> Vision
 			\begin{itemize}
-				\setlength\itemsep{1em}	
+				\setlength\itemsep{1em}
 				\item Increase awarness of Taler project worldwide
 				\item Industrialisation of prototype
 			\end{itemize}
 	\end{itemize}
-	
+
 }
 
 \subsection[System concept]{}
 \frame[c]{\frametitle{System concept}
   \framesubtitle{Integration of a MDB/ICP to Taler gateway.\\Implementation of a NFC or QR-Code to Taler wallet interface.}
-	\vfill	
+	\vfill
 	\begin{figure}
   \centering
   \includegraphics[width=1.0\textwidth]{design}
@@ -208,26 +205,26 @@
 
 \subsection[Software]{}
 \frame[t]{\frametitle{Software}
-	\only<1->{	
+	\only<1->{
 				\begin{figure}
   				\centering
   				\includegraphics[width=.9\textwidth]{software_stack}
 				\end{figure}
 	}
-	
+
 	\only<2->{
-		\vfill	
-		
+		\vfill
+
 		\begin{block}{Source Code}
     	https://git.taler.net/taler-mdb.git/
   	\end{block}
 
-	}  
+	}
 }
 
 \subsection[Snack Machine]{}
 \frame[t]{\frametitle{Snack machine}
-	\only<1>{	
+	\only<1>{
 		\vfill
 		\begin{figure}
   		\centering
@@ -238,12 +235,12 @@
 
 \subsection[Challenges]{}
 \frame[c]{\frametitle{Challenges}
-	\only<1>{	
+	\only<1>{
 		\begin{itemize}
-		\setlength\itemsep{2em}	
-			\item MDB converters not open source	
-			\item Software of snack machine not open source
-			\item Implementation of MDB standard differ
+		\setlength\itemsep{2em}
+			\item MDB converters are not Free Software
+			\item Software of snack machine not Free Software
+			\item Implementations of MDB standard differ
 	\end{itemize}
 	}
 }
@@ -251,9 +248,9 @@
 \subsection[Project outlook]{}
 \frame[c]{\frametitle{Project outlook}
 
-	\only<1>{	
+	\only<1>{
 		\begin{itemize}
-		\setlength\itemsep{2em}	
+		\setlength\itemsep{2em}
 			\item Offer internet over NFC
 			\item Bachelor Thesis
 			\item World Economic Forum (WEF) 2020
@@ -265,33 +262,33 @@
 \section[36C3]{}
 \sectionpage
 \frame[c]{\frametitle{How to use at 36C3}
-	\only<1>{	
+	\only<1>{
 		\begin{figure}
 			\includegraphics[width=1\textwidth]{download_wallet.png}
 		\end{figure}
 	}
 }
-\frame[c]{\frametitle{How to use at 36C3}	
-	\only<1>{	
+\frame[c]{\frametitle{How to use at 36C3}
+	\only<1>{
 		\begin{figure}
 			\includegraphics[width=1\textwidth]{visit_us.png}
 		\end{figure}
 	}
 }
-\frame[c]{\frametitle{How to use at 36C3}	
-	\only<1>{	
+\frame[c]{\frametitle{How to use at 36C3}
+	\only<1>{
 		\begin{figure}
 			\includegraphics[width=1\textwidth]{get_taler_coins.png}
 		\end{figure}
 	}
 }
 \frame[c]{\frametitle{How to use at 36C3}
-	\only<1>{	
+	\only<1>{
 		\begin{figure}
 			\includegraphics[width=1\textwidth]{get_snacks.png}
 		\end{figure}
 	}
-} 
+}
 
 
 %\begin{frame}[plain]