A little while ago I blogged here and I set it up to be a "continues..." style post. I haven't had the energy to continue it in that context, and this fact was putting me off concluding the post. I then realised: the thing that matters isn't some overarching narrative structure, but that I get my ideas down. So: I'm aborting any attempt at making this post a continuation, and just focusing on the content! There's been a lot of confusion over when to use Task[