+\begin{frame}
+
+ \frametitle{Community and organization}
+
+ \larger \larger Warncke-Wang, M., Ranjan, V., Terveen, L., \& Hecht,
+ B. (2015). \e{Misalignment Between Supply and Demand of Quality Content
+ in Peer Production Communities}. In Ninth International AAAI
+ Conference on Web and Social Media (ICWSM).
+
+ % Retrieved from \href{http://www.aaai.org/ocs/index.php/ICWSM/ICWSM15/paper/view/10591}{http://www.aaai.org/ocs/index.php/ICWSM/ICWSM15/paper/view/10591}
+
+\end{frame}
+
+\begin{frame}
+ \frametitle{Community and organization: Warncke-Wang et al.}
+
+ \includegraphics[width=\textwidth]{figures/warncke-english_confusion.pdf}
+\end{frame}
+
+\begin{frame}
+ \frametitle{Community and organization: Warncke-Wang et al.}
+
+ \includegraphics[width=\textwidth]{figures/warncke-english_overunder.pdf}
+\end{frame}
+
+\subsection{Content Quality}
+
+\begin{frame}
+ \centertext{6em}{Content quality}
+
+ \note{Tilman
+
+ A decade after the landmark "Nature" study, there still aren't too
+ many systematic evaluations of the accuracy of Wikipedia's content.
+ Health articles continue to receive scrutiny, though. With good
+ reason: Wikipedia is "the most frequently consulted online health
+ care resource globally" [NEJM article].}
+\end{frame}
+
+\begin{frame}
+
+\frametitle{Quality of drug articles}
+
+ \larger \larger
+ Hwang et al., ``\e{Drug Safety in the Digital Age}.''
+ N Engl J Med 2014; 370:2460-2462 June 26, 2014
+ \href{http://dx.doi.org/10.1056/NEJMp1401767}{doi: 10.1056/NEJMp1401767}.
+ \bigskip
+
+ Kräenbring et al., \e{Accuracy and completeness of drug
+ information in Wikipedia: a comparison with standard textbooks of
+ pharmacology}. PLoS One 9 (9): e106930.
+ \href{http://dx.doi.org/10.1371/journal.pone.0106930}
+ {doi:10.1371/journal.pone.0106930}
+
+
+ \note{Tilman
+
+ We selected two papers that evaluated drug articles, with
+ different approaches. The first one is a short article in the
+ extremely prestigious NEJM.}
+\end{frame}
+
+\begin{frame}
+
+\frametitle{Quality of drug articles: NEJM}
+
+ \includegraphics[width=0.49\textwidth]{figures/Pradaxa_tweet_FDAMedWach.png}
+ % from https://twitter.com/FDAMedWatch/status/281547908095041536
+ % = first one in the list at http://www.nejm.org/doi/suppl/10.1056/NEJMp1401767/suppl_file/nejmp1401767_appendix.pdf
+ \includegraphics[width=0.49\textwidth]{figures/Dabitragan_Contraindications_WP_FDA_warning}
+
+ \tikz{\node [yshift=1.5cm,xshift=-0.4cm] at (current page.center) {\includegraphics[width=1.5cm]{figures/long-arrow-right.png}};}
+ \begin{itemize}
+ \larger \larger
+ \item The US Food and Drug Administration (\e{FDA}) frequently
+ issues safety warnings about prescription drugs. How long does it
+ take until these are reflected on English Wikipedia?
+ \item 41\% updated within two weeks (58\% for high-prevalent
+ diseases), but 36\% still unchanged after more than a year.
+ \end{itemize}
+
+ \note{Tilman
+
+ Articles about drugs used to treat high-prevalent diseases (affecting
+ > 1 m Americans / year) were updated faster.\\
+ But the result still caused concern.\\
+ Authors find "there may be a benefit to enabling the FDA to update or
+ automatically feed new safety communications to Wikipedia pages, as
+ it does with WebMD". The paper raised awareness among WikiProject
+ Medicine editors, but there's no systematic updating mechanism yet.}
+
+
+\end{frame}