Topics included importing SVGs from Kumu.io (flexible graphs, Marc and Kerry have been using it lately); virtual tours of Yosemite, Encapsulated Postscript, Ward's EPISODES pattern language for sequences, ways to use FedWiki lineups as sequences like Alexander's pattern recipes, or like movie storyboards, the Electron-based localwiki, the "Login to View" model for keeping a group wiki separate (Thompson Morrison's school based deployment), Vensim, Eldorado, the Supercollaborator, ways of focusing graph relationships from different points of view or familiar nodes,Clayton Christensen on disruptive innovation models.
EPISODES pattern language: ppr 
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Also see Pattern Language Titles ppr for context.
Ward was busy with family today; Marc hosted.
http://ward.asia.wiki.org/custom-registration-workflow.html custom registration workflow mentioned early in the call (ty Robert Best)