Andrew Odlyzko. Stewart Brand. Howard Rheingold. Doc Searls. Scott Alexander. Biella Coleman. danah boyd. Clay Shirky.
Some of these tend to the idealistic. The California School especially thought that bringing the Minds of the World together would bring nothing but good. I find that view ... optimistic.
Clay Shirky: "I study social media. Which is to say as a first approximation: I watch people argue."
What happens when you make it easy for anyone to talk to anyone?
Generalistic and moderated instance.