\item 2011-11-02. Almost Wikipedia: What eight early online
collaborative encyclopedia projects reveal about the mechanisms of
collective action. Wikimedia Foundation, San Francisco, California.
+\item 2011-10-29. Almost Wikipedia: What eight early online
+ collaborative encyclopedia projects reveal about the mechanisms of
+ collective action. Conference on Digital Commons, Barcelona, Spain
+ [Remote Video].
\item 2011-10-28. Status, Social Signalling and Collective Action in a
Peer Production Community. With Aaron Shaw. Laboratory for Social
Research Seminar, University of California Berkeley.