“…In contrast, new users are not required to select race or ethnic categories to sign up for Facebook accounts, nor are these selections visible to outside viewers unless the user chooses to make that information publicly available. This lack of options regarding race and ethnicity provides further insight into Facebook designer and programmer assumptions, where explicit racial and ethnic categories are deemed inessential [39]. Facebook's Non-Discrimination Policy states, "Ads must not discriminate against people based on personal attributes such as race, ethnicity, color, national origin, religion, age, sex, sexual orientation, gender identity, family status, disability, medical or genetic condition" (Facebook, n.d.-b).…”