Add top posting section

sections/top-posting.tex

@@ -0,0 +1,16 @@
+\section{Rule number 3: top posting}
+\begin{frame}{A weird practice}
+    Humans tend to read top to bottom, try to read this conversation.
+
+    \lstinputlisting{assets/top-posting.txt}
+\end{frame}
+\begin{frame}{Corporate communication}
+    The Linux kernel maintainers have an interesting point on this topic~\cite{netiquette:lkml}.\vspace{1em}
+
+    \begin{quote}
+        If you reply to an e-mail on a mailing list do not top-post. Top-posting is the preferred style in \textbf{corporate communications}.
+    \end{quote}
+\end{frame}
+\begin{frame}{How to (all)}
+    Text is appended to your reply to allow YOU to read it in a chronological fashion, however, you should delete delete the lines that you don't need as you shape your reply.
+\end{frame}