https://www.theregister.co.uk/2018/05/29/facebook_adverts_age_discrimination_lawsuit/ > A lawsuit alleging that Amazon.com, Cox Media Group, Cox Communications and T-Mobile US used Facebook ads to discriminate against older jobseekers has been expanded to finger other organizations, including Facebook. > The complaint was filed in December on behalf of the Communications Workers of America union, in the wake of a ProPublica investigation that found Facebook ads were being used for age discrimination. An similar inquiry a year earlier found Facebook ads being used for racial discrimination in housing.