I was hoping this would be instructions on how to install a package on your own server to do facebook-like functions between your friends over https.
If that's what you want, look up Elgg. What I hope someone creates, is something like Elgg but where the concept of public and private keys is used somehow, so that whoever controls the server where it's hosted doesn't have access to the users' content. Or even better, some form of peer-to-peer social network so that the central server could be dropped entirely, and users would just rely on clients on their trusted m…
that second one -- where the social network was just a series of client applications rather than a central database -- would be an amazing idea for a product. Like a bittorrent-esque Facebook.