> The problem is that nobody calls a taxi a "hack" anymore. And we only
> use oxen for hamburger. Jokes about a rotary-dail phone, or
> a phonograph, or a steam engine, or a Studebaker, or old
> advertising slogans, or dead movie stars, or out-of-office politicians,
> just don't work any more. I hear jokes like that in old movies and wonder
> if younger generations get the point. I guess Time Marches On.

This is why most people have to use a crib sheet while reading Shakespeare's comedies. The tragedies don't seem to go out of fashion as rapidly, thankfully.