Hiro watches the large, radioactive, spear-throwing killer drug lord ride his motorcycle into Chinatown. Which is the same as riding it into China, as far as chasing him down is concerned.
Neal StephensonWe see everything from the narrator's point of view, so exposition about the world is limited to what impinges directly on him and the story he's telling. Considering how old the world is, we learn very little about its history, which I think is a good thing.
Neal StephensonOnce a person has all the things they need to live, everything else is entertainment.
Neal Stephenson