You could host software yourself and communicate within your circle only. It seems like this may be the future - someone just has to make it easy for people to

You could host software yourself and communicate within your circle only. It seems like this may be the future - someone just has to make it easy for people to create groups that will deploy the server and generate the app. But that would be a matter of time when governments will start to regulate hosting providers and e.g. banning hosting of communication servers.