By creating so many illusory images of physical perfection, whether on store aisles or storefronts ads, magazine covers or TV show, we speak more to the profit margins of companies than the self-esteem of today's girls.
There's no committee that says, 'This is the type of person who can change the world - and you can't.' Realizing that anyone can do it is the first step. The next step is figuring out how you're going to do it.