There are 600 million adolescent girls in developing countries, but they are largely invisible to the world at large… To ignore them is to miss the "girl effect," which could be an unexpected answer to the global economic crisis…Girls as economic actors can bring about change for themselves, their families, and their countries…According to Your Move…girls in Kenya could, over their lifetime, lift the nation's economy by $27.4 billion through additional education, $25 billion if they delay childbirth, and $1.6 billion if they stay free of HIV/AIDS. [refers to Nike]