@forbes: At the Forbes Self-Made 250 Celebration, Oprah Winfrey, ranked No. 1 on the Forbes Self-Made 250 list, joined Randall Lane, Forbes chief content officer, for a conversation on ownership, risk and the power of betting on yourself. Reflecting on one of the pivotal decisions of her career, Oprah shared how choosing equity over salary helped transform her from a talk show host into a media mogul, and how being underestimated became one of her greatest advantages.