Socrates and Glaucon on The Home Shopping Network.
SOCRATES: But an ordinary mop will not do this?GLAUCON: No, Socrates. Look what a hassle it is for me to use! And none of the stains are coming off!
SOCRATES: Yes. It is quite impossible to get one's kitchen satisfactorily clean with an ordinary mop. But one could add Dirt-Fighting Technology™ to an ordinary mop, could he not?