Yeah, I said exactly the same thing to myself in a section of this post that didn't make the final cut (I'm the author). I definitely agree that, if you put thi

Yeah, I said exactly the same thing to myself in a section of this post that didn't make the final cut (I'm the author). I definitely agree that, if you put this in your UI, you'd have to create a sticky control pane that reminds the reader what mode they're in, and lets them bail out at any time. When a reader does bail, they should be looking at the same content as before. It shouldn't jump them to some other section.