It is interesting to consider how federated social networks (e.g. https://joinmastodon.org https://joinmastodon.org) fit in here. They seem uniquely positioned

It is interesting to consider how federated social networks (e.g. https://joinmastodon.org https://joinmastodon.org) fit in here. They seem uniquely positioned to be able to thread the needle of broad inter-connectivity combined with more localized control.