Who wants in? We can talk about what is was like to write a letter to your grandma or having no other way to ask someone out other than by calling them on the phone. Or checking out movies at Blockbuster or whatever your national equivalent was (we usually checked out videos at the grocery store, actually).
We’re cool because we can actually remember the USSR and “East” Germany. Although not as cool, I can remember when homophobia and transphobia was so much more widely accepted and the “default” position for most Americans. Not as cool.
My parents used a rotary phone up until a couple years ago when it broke and it was more expensive to buy a rotary than a digital. They hated there was an up charge on phone bills in their area for “touchtone” dialing rather than rotary and so stuck with it until the wheels came off.