Sitting with some students who are working out a secure shuffle protocol. One of them has just drawn a pentagram. Slightly worried now. #fb
@geophf Sadly, the explanation is boring: it was links between peers, then noticing the shape and being amused.
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@edwinbrady (Thought as much, but the story IS amusing, and could be enlightening (e.g.: a@1HaskellADay problem) in the retelling...#hint)Thanks. Twitter will use this to make your timeline better. UndoUndo
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