Starting on the Museum exhibits, ending on them.
When I started learning IT at school, a lot of attention was paid to punch cards, kimball tags and other almost obsolete tech which I saw hide nor hair of when I reached work a year or two later.
Come to think, most IT learning is chasing things heading toward obsolescence in the vague hope of jumping on and getting paid for a short while before it's trashed in favour of something else you know nothing about.
repeat until dead...
It's no wonder a lot of IT bods are increasingly in favour of a slow-down, if not total Neo-Luddism,