For decades, Forbes rankings have served as a definitive measure of prestige among the world's elite, but as the publication broadens its purview and the music industry churns out an increasing number of billionaires, both the selection criteria and the honoree roster have undergone significant transformation. On Wednesday, during its four-year-old Iconoclast conference, Forbes unveiled the "Iconoclast 50" list, a deliberately inclusive initiative designed to spotlight "leaders in finance, business, technology, media, entertainment and philanthropy that are changing the game in real time, disrupting their industries and challenging the status quo