Women of ABC News 'Lean In,' Share the Best Career Advice Ever Received

intro: Sheryl Sandberg is the female force behind the largest social networking site in the world. As Facebook's chief operating officer, Sandberg has broken down barriers in Silicon Valley, but has noticed far fewer women rising the ranks along with her. That's the impetus behind her new book, "Lean In: Women, Work and the Will to Lead," which hits stores today and has already opened up a dialogue on women in the workplace. Sandberg, also a director of the Walt Disney Company, parent of ABC...Full Story