--- a/slides/slides07.tex	Mon Oct 23 00:50:09 2017 +0100
+++ b/slides/slides07.tex	Mon Oct 23 01:09:09 2017 +0100
@@ -32,69 +32,57 @@
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[t]
-\frametitle{Taking Stock}
-
-\begin{itemize}
-\item \ldots 9,000 customers of Tesco bank have their account suspended  
-\item \ldots 2 weeks ago there was a blackout for US websites because
-  of a DoS attack from IoT devices (see paper by Shamir et all)
-
-\item \ldots Dirty Cow\ldots Linux privilege-escalation bug under active exploit
- (``any user can become root in < 5 seconds in my testing'')
-\end{itemize}
-
-\end{frame}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\begin{frame}[t]
-\frametitle{Facebook Privacy}
+\frametitle{Privacy vs Anonymity}
 
 \begin{itemize}
-\item \large Who has a Facebook account?\pause\medskip
 
-\item \large Who keeps the list of friends private?\pause\medskip
+\item everybody agrees that anonymity has its uses (e.g.,
+      voting, whistleblowers, peer-review, exams)
 
-\item \large Who knows that this is completely pointless?
-\textcolor{gray}{\small (at least at the end of 2013)}\pause\medskip
-\end{itemize}
+\end{itemize}\bigskip\pause
 
-\only<4>{Create a fake account. Send a friend-request.
-Facebook answers with ``People you may know'' feature.
-Conveniently, it has also a ``see all'' button.}
+
+But privacy?\bigskip\medskip
 
-\only<5>{\small\it ``Our policies explain that changing the
-visibility of people on your friend list controls how they
-appear on your Timeline, and that your friends may be visible
-on other parts of the site, such as in News Feed, Search and
-on other people's Timelines. This behavior is something we'll
-continue to evaluate to make sure we're providing clarity.'' }
+\textit{``You have zero privacy anyway. Get over it.''}\\
+{\small\hfill{}Scott Mcnealy (CEO of Sun)}\bigskip\\
 
-\end{frame}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
+
+\textit{``If you have nothing to hide, you have nothing 
+  to fear.''}\medskip\pause
 
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\begin{frame}[t]
-\frametitle{Facebook Privacy Australia}
-
-\begin{itemize}
-\item Tinger requires a Facabook profile when signing up.  
-\item Helpfully, FB Australia wants to encourage that your group
-  of friends to find and connect with other groups out in the
-  real world.
-\item \ldots{}it reveals which of your Facebook friends are also
-  on Tinder (for Australia it is an opt-out)
-\end{itemize}
-
+\textit{
+  A few years ago a Google executive tried to allay worries about
+  Google pooring over all your emails on Gmail. He said something
+  along the lines: You are watched by an algorithm; this is like being
+  naked in front of your dog.
+  }
 
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 
 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\begin{frame}[c]
+\frametitle{Privacy: State of the Art}
+  
+  \begin{center}
+  \begin{tabular}{cc}
+  \raisebox{-0.8mm}{\includegraphics[scale=0.28]{../pics/flight.jpg}} &
+  \includegraphics[scale=0.31]{../pics/airbus.jpg}\\
+  \small Wright brothers, 1901 & \small Airbus, 2005 \\ 
+  \end{tabular}
+  \end{center}
+
+  \end{frame}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}
 \frametitle{UCAS (a charity)}
-\mbox{}\\[-15mm]\mbox{} 
+\mbox{}\\[-10mm]\mbox{} 
 \small
 \begin{quote}
 ``The Universities and Colleges Admissions Service received more
@@ -162,35 +150,35 @@
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\begin{frame}[t]
-\frametitle{Privacy vs Anonymity}
+% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% \begin{frame}[t]
+% \frametitle{Privacy vs Anonymity}
 
-\begin{itemize}
+% \begin{itemize}
 
-\item everybody agrees that anonymity has its uses (e.g.,
-      voting, whistleblowers, peer-review, exams)
+% \item everybody agrees that anonymity has its uses (e.g.,
+%       voting, whistleblowers, peer-review, exams)
 
-\end{itemize}\bigskip\pause
+% \end{itemize}\bigskip\pause
 
 
-But privacy?\bigskip\medskip
+% But privacy?\bigskip\medskip
 
-\textit{``You have zero privacy anyway. Get over it.''}\\
-{\small\hfill{}Scott Mcnealy (CEO of Sun)}\bigskip\\
+% \textit{``You have zero privacy anyway. Get over it.''}\\
+% {\small\hfill{}Scott Mcnealy (CEO of Sun)}\bigskip\\
 
 
-\textit{``If you have nothing to hide, you have nothing 
-  to fear.''}\medskip\pause
+% \textit{``If you have nothing to hide, you have nothing 
+%   to fear.''}\medskip\pause
 
-\textit{
-  A few years ago a Google executive tried to allay worries about
-  Google pooring over all your emails on Gmail. He said something
-  along the lines: You are watched by an algorithm; this is like being
-  naked in front of your dog.
-  }
+% \textit{
+%   A few years ago a Google executive tried to allay worries about
+%   Google pooring over all your emails on Gmail. He said something
+%   along the lines: You are watched by an algorithm; this is like being
+%   naked in front of your dog.
+%   }
 
-\end{frame}
+% \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -289,8 +277,8 @@
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c]
-\frametitle{Privacy and Big Data}
-\mbox{}\\[-16mm]\mbox{}
+%\frametitle{Privacy and Big Data}
+%\mbox{}\\[-16mm]\mbox{}
 
 Selected sources of ``Big Data'':\smallskip{}