Some of the tech's a bit long-in-the-tooth (the whole data haven concept), but the genre was already well-established when the book turned up (Gravity's Rainbow

Some of the tech's a bit long-in-the-tooth (the whole data haven concept), but the genre was already well-established when the book turned up (Gravity's Rainbow (1973) in particular and postmodern literature in general). I, personally, enjoy it.