Earlier quoted context omitted.
Wave was a replacement to email, not exactly an online "notepad." It wasn't about documents at all, no more so than email today is. So you're right that it's not like Slack or Hipchat, but I think you may also misunderstand its purpose.
Google pitched it as a replacement for email (another reason for people being confused about it's purpose) but the reality was that it was absolutely nothing like email. A wave was a document that you could edit with other people. The 'about' page: https://web.archive.org/web/20100427183005/http://wave.googl... Actually, looking at the screenshot on that page, I can see why s_dev sees it as something like Slack. It h…
Simplifying the interface, inviting more people to the beta when it was originally out, and increasing the ability to federate easily were three big things that were missing from wave for more people to adopt it imo.