Let´s say you are following along to a tutorial on example.com where each chapter has it´s own path (example.com/chapter1, example.com/chapter2...)
My idea would be a bookmark that refers to example.com, but (when clicked) always opens the last page that has been visited last. When I added the bookmark, I was on /chapter1. During the evening, I moved to /chapter3. When I click on the bookmark on the next day, it should open /chapter3 instead of /chapter1, since it is the last page of example.com I visited
This would be useful for many documentations and tutorials