The social media company says it's working to resolve concerns that the policy will silence countless activists, particularly undocumented people decrying the Trump administration.
Very few surveys ask people if they're transgender. One economist managed to mine American government data for clues to the transgender American experience over the last seven decades.
The latest entry in a special project in which business and labor leaders, social scientists, technology visionaries, activists, and journalists weigh in on the most consequential changes in the workplace.