% public domain. no rights reserved. see
% https://creativecommons.org/publicdomain/zero/1.0/

\section{introduction}

\begin{frame}[fragile]
  \frametitle{2016}
  {\scriptsize
  \begin{semiverbatim}
   +------------------------+
   | Internet               |
   |                        |          0   0   0   0
   |                        |         / \\ / \\ / \\ / \\
   |                        |          0   0   0   0
   |                        | <-----  / \\ / \\ / \\ / \\
   |                        |          0   0   0   0
   |                        |         / \\ / \\ / \\ / \\
   |                        |              ......
   |                        |
   |                        |             N humans
   |                        |       (N < total no. of humans)
   +------------------------+
  \end{semiverbatim}
  }
\end{frame}


\begin{frame}[fragile]
  \frametitle{2016}
  {\scriptsize
  \begin{semiverbatim}
   +------------------------+
   | Internet               |
   |                        |          0   0   0
   |  +-----------+         | store   / \\ / \\ / \\
   |  | Dropbox   |         |  data    0   0   0
   |  |           |         | <-----  / \\ / \\ / \\
   |  +-----------+         |   FSP    0   0   0
   |                        |         / \\ / \\ / \\
   |          +-----------+ |           ......
   |          |Google     | |
   |          |Drive      | |             M humans (M < N)
   |          +-----------+ |
   +------------------------+      FSP: File Storage Provider
  \end{semiverbatim}
  }
\end{frame}

\begin{frame}[fragile]
  \frametitle{2016}
  {\scriptsize
  \begin{semiverbatim}
   +------------------------+
   | Internet               |
   |                        | store    0   0
   |  +-----------+         | private / \\ / \\
   |  | Dropbox   |         |  data    0   0
   |  |           |         | <-----  / \\ / \\
   |  +-----------+         |   FSP    0   0
   |                        |         / \\ / \\
   |          +-----------+ |          .....
   |          |Google     | |
   |          |Drive      | |             L humans (L < M < N)
   |          +-----------+ |
   +------------------------+      FSP: File Storage Provider
  \end{semiverbatim}
  }
\end{frame}

\begin{frame}
  \frametitle{invariantly}
  {\small
  \begin{quote}
    \emph{Law \& Order}. We may disclose your information to third
    parties if we determine that such disclosure is reasonably
    necessary to (a) comply with the law; (b) protect any person from
    death or serious bodily injury; (c) prevent fraud or abuse of
    Dropbox or our users; or (d) protect Dropbox's property
    rights\footnote{https://www.dropbox.com/privacy}.
  \end{quote}
  }
\end{frame}

\begin{frame}
  \frametitle{2013}

  \begin{itemize}
  \item ECHELON
  \item Carnivore
  \item XKeyscore
  \item Boundless Informant
  \item PRISM
  \end{itemize}
\end{frame}