Imagine if, during the Jim Crow era, a newspaper offered advertisers the option of placing ads only in copies that went to white readers. That’s basically what Facebook is doing nowadays. The ubiquitous social network not only allows advertisers to target users by their interests or background, it also gives advertisers the ability to exclude
Facebook Lets Advertisers Exclude Users By Race
Facebook’s system allows advertisers to exclude black, Hispanic, and other “ethnic affinities” from seeing ads.