Yeah. I want to like Secure Scuttlebutt, which I think is the best current example of peer-to-peer social networking. But power usage and mobile data usage are

Yeah. I want to like Secure Scuttlebutt, which I think is the best current example of peer-to-peer social networking. But power usage and mobile data usage are an impediment to using it on mobile, and they don't currently have a viable multi-device story (as in, I want the same identity on my phone and my laptop). Federation is a good compromise.