5. The Where Have I Seen This Before Search Engine
This would be a specific kind of search engine that the reader could access under certain circumstances. These would be those moments in the text, where you think that you've read or watched something like this scene before. The search engine could then be accessed to tell you that you are getting confused with something else and how everything starts blurring together after a point. Although you might be right, in which case, you could click a tab for a pre-recorded moan on the lack of originality these days. The moan could vary in loudness depending on how much the original source has already been mined.