Errant thought - I kind of hope that the actual social network for developers of the not so distant future looks more like a bunch of us separately building bespoke applications to serve files to each other.
> Dave: "Bot, add a folder to my personal data store with the pictures I took this weekend and share it with everyone in my poker group"
> Sally: "I see that I've gotten an email from Dave with a magic link conveying access to something. Bot, use this link to negotiate a key exchange with whatever weird app Dave cobbled together (ask his bot if you need help) and then log into my VPS and add a tab to my personal webapp to display the content he has shared."
> Dave: "Bot, add a folder to my personal data store with the pictures I took this weekend and share it with everyone in my poker group"
> Sally: "I see that I've gotten an email from Dave with a magic link conveying access to something. Bot, use this link to negotiate a key exchange with whatever weird app Dave cobbled together (ask his bot if you need help) and then log into my VPS and add a tab to my personal webapp to display the content he has shared."
That might be overly optimistic, but it doesn't feel that far off. It's kind of what Tim Berners-Lee build https://en.wikipedia.org/wiki/Solid_project for right?