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@trwnh @erincandescent @julian @mikedev @silverpill You haven't been thinking about this problem nearly as long as I have. Who do you think created `ostatus:conversation`?

Anyway, I think we agree on more than we disagree on. We both think `context` should be for general groupings.

We both think the thread identifier should be a dereferenceable collection, and that the original post creator should emit `Add` activities to show that it's been updated.