This already exists, it was a big story back in the day (for the time a highly backed Kickstarter campaign): https://en.wikipedia.org/wiki/Diaspora_(social_net

This already exists, it was a big story back in the day (for the time a highly backed Kickstarter campaign): https://en.wikipedia.org/wiki/Diaspora_(social_network) https://en.wikipedia.org/wiki/Diaspora_(social_network)