If a seller has set his course so that you can mark the pages you have already visited as completed, then the seller can send you an email when a page that you have already marked as completed has been updated.
This is what the email looks like:
If a seller has set his course so that you can mark the pages you have already visited as completed, then the seller can send you an email when a page that you have already marked as completed has been updated.
This is what the email looks like: