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+% Public Domain. No Rights Reserved. See
+% https://creativecommons.org/publicdomain/zero/1.0/
+
+\section{Problem}
+
+\begin{frame}
+ \frametitle{Problem}
+ \centering
+ ``L'' folks are in trouble.
+\end{frame}
+
+\begin{frame}
+ \frametitle{``L'' are in trouble}
+ \centering
+ Data stored in FSP's\footnote{FSP: File Storage Provider} computers $\ne$ Private
+\end{frame}
+
+\begin{frame}
+ \frametitle{The last resort}
+ \centering
+ Encrypt everything!
+\end{frame}
+
+\begin{frame}[fragile]
+ \frametitle{Encrypt everthing}
+ {\tiny
+ \begin{semiverbatim}
+ /^^^^^^^^^^^^\\
+ | | +-----+
+ | crypt0 | | |
+ secret.txt ---> | pr0gr4m | --> secret.txt.cipher --> | FSP |
+ | | | |
+ |____________| +-----+
+
+ FSP: File Storage Provider (Dropbox, Google Drive, etc).
+ \end{semiverbatim}
+ }
+\end{frame}
+
+
+\begin{frame}
+ \frametitle{Not Enough}
+ \centering
+ Our Adversaries are too powerful.
+\end{frame}
+
+
+\begin{frame}[fragile]
+ \frametitle{What if}
+
+ {\tiny
+ \begin{semiverbatim}
+ +-----+
+ | |
+ secret.txt.shard0 ----> | FSP |
+ +------------+ ^ | 1 |
+ | / / | | +-----+
+ | crypt0 | |
+ secret.txt ---> | pr0gr4m | --|
+ | / / | |
+ +____________+ | +-----+
+ v | |
+ secret.txt.shard1 ----> | FSP |
+ | 2 |
+ +-----+
+FSP: File Storage Provider (Dropbox, Google Drive, etc).
+ \end{semiverbatim}
+ }
+
+\end{frame}
+
+\begin{frame}
+ \centering
+ Enter combox.
+\end{frame}