I think Slack gets close to some of my favorite bits: the ability to go back and edit messages, spawn threads that go off on a tangent, the way it can link nice

I think Slack gets close to some of my favorite bits: the ability to go back and edit messages, spawn threads that go off on a tangent, the way it can link nicely to referenced docs and JIRAs, etc. I have mixed feelings about real-time typing. But it feels like Slack's generation of chat tools have picked up some of the ideas Wave pioneered without being all-or-nothing or not being primarily a chat tools.