People are also working on that. The full stack needs an upgrade, and it's nice to see that happening across the board.

It's more than blog + XFN + pingbacks. The combination of technologies really does allow for decentralized social activities (not just replies), potentially in real-time.

If you don't want to mess with a server, we started an indieweb platform at https://withknown.com. You can always take all your data and move to your own server later on.