Google Spaces (spaces.google.com)

Its live on web. To try it you must be log in to gmail. Not supporting for Google App users right now.

> Product will be live shortly, check back soon

So...Google takes on reddit? Or is this Wave 2?

EDIT: here's my attempt: https://spaces.google.com/space/340491869

The discussion is over here: https://news.ycombinator.com/item?id=11706771