add OFSC 2020 talk

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+\documentclass[slidestop]{beamer}
+\usepackage{beamerthemesplit}
+\usepackage{graphics}
+\usepackage{pstricks}
+
+\graphicspath{{./}}
+
+\title{The delicate disadvantage of Reverse-Engineering}
+\author{Luke Kenneth Casson Leighton}
+
+
+\begin{document}
+
+\frame{
+   \begin{center}
+    \huge{The delicate disadvantage of Reverse-Engineering}\\
+    \vspace{32pt}
+    \Large{The consequences of maintaining}\\
+    \Large{proprietary hardware}\\
+    \Large{Can we do better?}\\
+    \vspace{24pt}
+    \Large{[proposed for] OFSC 2020}\\
+    \vspace{16pt}
+    \large{\today}
+  \end{center}
+}
+
+
+\frame{\frametitle{Background (about me)}
+
+\vspace{15pt}
+
+ \begin{itemize}
+   \item First reverse-engineering was Samba-TNG\\
+                NTBugTraq, August 1996\\
+                "Welcome to the SAMBA Domain"\\
+                3 years later...\vspace{6pt}
+   \item 2002: Exchange 5.5, enhancing FreeDCE \\
+                Copied by an "Open" team that removed all attribution\vspace{6pt}
+   \item 2003-2005: Xanadux Project\\
+            9 HTC smartphones reverse-engineered\\
+            Zero income earned.\vspace{6pt}
+   \item Lesson learned: everyone else makes money from your work.
+  \end{itemize}
+}
+
+
+\frame{\frametitle{How come I could do this but others couldn't?}
+
+\vspace{10pt}
+
+ \begin{itemize}
+   \item Self-analysis time: what capability did I have \\
+                that others do not?\\
+                \vspace{12pt}
+   \item Definition of Reverse-Engineering:\\
+                \vspace{4pt}
+                The ability to infer knowledge.\\
+                (That's really it.  No prior-knowledge is required:\\
+                you DERIVE knowledge)
+                \vspace{12pt}
+   \item Definitions of knowledge were a clue:\\
+                Demster-Shafer (generalisation of Bayes)\\
+                Epistemology (Advaita Vedanta wikipedia page)
+  \end{itemize}
+}
+
+\frame{\frametitle{Advaita Vedanta, Epistemology section}
+
+
+ \begin{itemize}
+ 
+       \item Pratyakṣa - perception (includes senses, but also "intuition")
+       \item Anumana - inference (where there's smoke there's fire)
+       \item Upamana - comparison, analogy (A is to B as C is to D;\\
+                        also included here is the "difference" between two things)
+       \item Arthapatti - postulation, derivation from      
+             circumstances\\
+             (Joe is gaining weight; we do not see Joe eat during the day.
+              Therefore Joe is eating at night)
+       \item Anupalabdi - non-perception, negative/cognitive proof\\
+             ("there is no jug in this room")
+       \item Sabda - relying on word, testimony of past/present experts
+  \end{itemize}
+  \bf{ Reverse-Engineers develop these knowledge-derivation skills
+  without knowing that they have them! It's incredible and valuable!}
+
+}
+
+\frame{\frametitle{Why do products need reverse-engineering?}
+\vspace{9pt}
+ \begin{itemize}
+   \item The profit-maximising Corporation can't be bothered to provide
+                documentation or source code
+               \vspace{4pt}
+   \item The profit-maximising Corporation is based in China and is
+                happy to blatantly disregard Copyright law.
+               \vspace{4pt}
+   \item The profit-maximising Corporation could be bothered but has
+                realised that they make more money through entrapment of end-users
+               \vspace{4pt}
+   \item Bottom line: helping such Corporations helps keep their products
+                in circulation.
+         \vspace{4pt}
+  \end{itemize}
+  \bf{ Reverse-Engineers by applying their amazing skills actively support
+       unethical and pathological Corporations to do harm to end-users
+       and to the environment}
+
+}
+
+
+
+\frame{\frametitle{How about an alternative?}
+
+
+ \begin{itemize}
+   \item You have unbelievably empowering and powerful skills, far
+         beyond those of an average programmer!
+   \item Instead of supporting unethical Corporations, why not support
+         yourselves?
+   \item Transition from full-time to part-time (or work evenings)
+   \item How about creating your own products?  (You're a Reverse-Engineer:
+         you know how products work, and what you don't know, you already
+         know you can to find out!)
+   \item How about designing a product and put it on Crowdsupply?
+   \item The internet exists: you can find others to team up with,
+         in an area of technology that interests you.
+  \end{itemize}
+  
+  \bf{Ultimately you could do a huge amount of good.  With your skill
+      there is nothing that can stop you except yourself}
+      
+}
+
+
+\end{document}
+