The Google Cemetery

But it’s not rendered useless in most cases. Something similar exists somewhere else and Google doesn’t want to compete/put in money (Reader) or the same functionality is moved to a different Google product (Inbox).
I see Google experimenting a lot (feels like more in the past), buying successful projects, and closing/trimming excess. If you want to be mad at that last part, be mad at capitalism or shareholders or something. If you are mad at experimenting and failing… don’t.

I don’t think G+ was the only place on the internet for those communities.