diff --git a/PresTeX/images/gg2.png b/PresTeX/images/gg2.png
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diff --git a/PresTeX/presentation.tex b/PresTeX/presentation.tex
index 046d7e3..87ff86b 100644
--- a/PresTeX/presentation.tex
+++ b/PresTeX/presentation.tex
@@ -96,12 +96,23 @@ compress
 
 \section{Location based Games}
 \begin{frame}{Location based Games}
-\framesubtitle{Spass und Datenspuren}
-\begin{itemize}
-	\item Spielhandlungen an realen Orten verankert
-	\item 
-\end{itemize}
-TODO: cite \autocite{Ahlqvist2018}\autocite{1705427} %TODO
+\framesubtitle{Put the 'fun' in education}
+	\begin{columns}
+	\column{0.55\linewidth}
+Intersection of GIS and gaming technology\footnotemark
+		\begin{itemize}
+			\item Game actions tied to real-world spatial places ('Break the magic circle')%TODO citation
+			\item Locomotion as essential game part
+			\item Foster recognition of environment
+			\item Focus through game related tasks
+			\item Trade-offs between board and race style games\footnotemark	
+		\end{itemize}
+	\column{.45\linewidth}
+		\image{.5\textwidth}{gg2}{Geogame map view}{img:gg2}
+	\end{columns}
+	\addtocounter{footnote}{-1}
+	\footcitetext{Ahlqvist2018}\stepcounter{footnote}
+	\footcitetext{1705427}
 \end{frame}
 
 \section{Goal definition}
@@ -115,13 +126,19 @@ TODO: cite \autocite{Ahlqvist2018}\autocite{1705427} %TODO
 \end{frame}
 
 \begin{frame}{Components}
+Prerequisites: Game log
 \begin{itemize}
-	\item {\small(create + store game log)}
-	\item per-game importer
-	\item analyzer modules crunch numbers
-	\item output/visualization
-	\item interface
-	\item cross-game comparisons
+	\item Creation
+	\item Storage
+\end{itemize}
+New components
+\begin{itemize}
+%	\item[{\small $\Box$}] {\small(create + store game log)}
+	\item Per-game importer (Web client, File loader, …)
+	\item Analyzer modules (number crunching)
+	\item Output \& Visualization (CSV, JSON, KML, Graphs, …)
+	\item Interface (Configuration)
+	\item Cross-game comparisons
 \end{itemize}
 \end{frame}
 
@@ -135,13 +152,15 @@ TODO: cite \autocite{Ahlqvist2018}\autocite{1705427} %TODO
 \begin{frame}{Log processing stacks}
 Technologies
 \begin{itemize}
-	\item ELK (Elastic search, Logstash, Kibana) -- Collectd, Influx DB, Grafana -- …
+	\item ELK (Elastic search, Logstash, Kibana)
+	\item Collectd, Influx DB, Grafana
+	\item …
 \end{itemize}
 \begin{itemize}
 	\item[+] widely deployed
 	\item[+] powerful query languages %TODO example
 	\item mainly web/server monitoring
-	\item[-] spatial analysis: heavily anonimised/reduced resolution
+	\item[-] spatial analysis: heavily anonymised (reduced resolution)
 	\item[-] fast-paced enviroment
 \end{itemize}
 TODO: bild mit importiertem GG2-logfile %TODO