I believe Infinite Jest uses "endnotes" as opposed to footnotes. One interesting example of footnotes is Mark Z. Danielewski's House of Leaves where different n

I believe Infinite Jest uses "endnotes" as opposed to footnotes. One interesting example of footnotes is Mark Z. Danielewski's House of Leaves where different narrators make extensive use of footnotes to add additional details to the story. On many occasions, the "base" story is only a single paragraph and the footnotes will run on for dozens of pages.