Is it possible to develop a crawler that uses the linkedin ‘Social media’ field to look at a candidates linkedin and see if its changed since you last looked at it? Maybe it scans the PDF version of their profile and informs you that it has changed. You could then manually use the chrome extension button to update their profile on CATS .
I don’t know if that would be possible, of it linkedin would cast their eye of sauron on you for doing it?!