What message did betty friedan try to communicate in her writing about feminism?

i'm a frog i'm a frog i read about frogs i breath thee frogs the frogs are great but not me

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.