I added "Shaping P2PU" to the list of interesting cases, because it's something that everyone with this course has relevant background for. Namely, how does CSCL work around P2PU? Stian in particular has some relevant writings on the topic. I also think P2PU is a good case study because we could make some serious targeted interventions here as a final (or ongoing) project. Note that "Shaping P2PU" is just one starting point for P2PU stuff (but I think a good one).
Please add cases that interest you directly to this list. Discussion in the comments below.
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Shaping P2PU - The purpose of this course is to understand how P2PU works: how it is (or isn't) meeting its mission, how conversations about shaping the mission develop, and about how workflows work around the site. The hope is that this course can play a useful role in the daily operations of P2PU.