When news emerged in May that Facebook had hired an executive search firm to look for a woman to add to its board of directors, I had hoped that with the appointment would come a great deal of diversity of thought and experience and an independent voice. Facebook has now announced that it has chosen its COO, Sheryl Sandberg, to join its board. Having Sandberg on the board is a good step, but does it address the larger shortcomings that are concerning Facebook users and investors?