A Compact History of Infinity was pretty tremendous. And while it makes some amount of sense that he's be apt to deal with questions of metaphysics from a forma

A Compact History of Infinity was pretty tremendous. And while it makes some amount of sense that he's be apt to deal with questions of metaphysics from a formal standpoint, there are some more unusual topics in there, like that bit from Infinite Jest about the evolution of videophones and the use of masks. I think some of his best work centers on the ability (or even possibility) to communicate with other people, and how technology has a lot of potential to disrupt it.