This is a psychotic reaction to a new social media site that is better than almost all the existing ones.

I just read this semi-autobiographical Jo Walton novel called Among Others that was written as a love letter to finding books through other books - you get the title of every book the sci-fi obsessed main character reads over the course of like 1979-1980.

What billionaire?

How can any line that is on the surface of a sphere be straight rather than a curve?

That would be so great - unfortunate that none of them seem to have any interest in doing so.