This subject is very much age-neutral.
I am still surprised how many people confuse the issues of what is the Information Architecture (IA) - the information backbone of the site - and what is the Navigation - those elements in the user interface that allow users to reach specific information on the site.
Anybody who is involved in working with digital designers should have a quick read to ensure that they are certain about the differences.
As usual a great source of advice from the Nielsen Norman Group. Dick Stroud