When this script is enabled, the following buttons will appear:
If the last viewed or marked story was removed in the mean time, the script will consider the story that has a timestamp older than the last stored story as the oldest.
The script only works when the homepage is set to view most recent stories instead of top stories.
By default, the last viewed story will be saved for the next session only after finding the current last story.
You can mark another story as the last story by clicking in the down arrow button near the timestamp area of a story:
This script relies on the user scripts extensions like Greasemonkey or Tampermonkey.
After installing the appropriate user scripts extension, you can install the script from the following sites:
The Greasemonkey extension should be installed.
The Tampermonkey extension should be installed.