Cool Hunters and The Simpsons

In Gladwell's article, he pointed out the paradox of cool - as cool becomes known or mainstream, it becomes uncool. For this reason, what is "cool" at any given time can be hard to name. This irony is portrayed in The Simpson's episode when the parents ask the kids if they're cool. The kids insist their parents aren't cool, and even though their mother says she doesn't care about being cool - her indifference still isn't cool. So what is? They don't really know, either.