Very few of those items are relevant to anyone's daily life today. Those who do know what they are and how to use them would be baffled by items their grandparents used just the same. Times and technologies change. If you're still listening to 8-track tapes and shooting pictures on 110 film with disposable flash cubes, well you're a dinosaur now and that's not a good thing. To be fair, there are many, many contemporary items that confuse the shit out of people younger than Millennials. Ever seen a boomer try to use a car with a non-conventional gear selector or a self-service menu kiosk? It's painful to watch. They can barely use their smartphones or tablets/laptops and, if anything changes due to updates, they are utterly lost. But this is not surprising for the generation that all had VCRs but the clock flashed 12:00 constantly. TL;DR - every generation struggles with things unfamiliar to them.