This won’t net them many friends. Out of 1,231 new U.S. hires in 2013, the social network hired just seven black employees — and that was in the midst of a diversity push. In 2014, only 2 percent of its workforce was black. The gender numbers also underwhelm: Of more than 10,000 employees, 32 percent were women in 2014, up one point from the previous year. To combat these disappointing gains, Facebook is adopting the NFL’s successful “Rooney rule,” requiring HR to consider at least one qualified candidate from underrepresented groups.