I would (still) love to use it as a shared knowledge space between collaborators, running a private instance. I am not sure of the details, but they added trus

I would (still) love to use it as a shared knowledge space between collaborators, running a private instance. I am not sure of the details, but they added trust relationships / "federation" between separate instances of wave. Like the Apple Newton, it's a great example of a useful tool that missed the market of the time.