Everyone of us needs some privacy at some part of our lives specially when getting old. From life issues and specially online transactions, we need a privacy given the situation now in the online world
So have you checked Utopia p2p? It seems to be the most secured now. And I've read that more than 100 000 active users are participating there. It's not very useful to run a business there as all your customers should have to install the soft. But it's quite nice as a new social media.