Twitter has fixed a bug with self - contained ad campaigns that were able to target people based on several blacklisted , derogatory keywords . A spokesperson said : " Twitter prohibits and prevents ad campaigns involving offensive or inappropriate terms , and we will continue to strongly enforce our policies . " Twitter, for example, allows advertisers to search for keywords from Tweets, though its policies explicitly ban offensive content on the platform. Facebook had a similar problem recently , and said it was working to " prevent such offensive differences in demographic traits from appearing as addressable terms " , and search giant Google has also experienced the issue .
Twitter has fixed a bug with self - contained ad campaigns that were able to target people based on several blacklisted , derogatory keywords . A spokesperson said : " Twitter prohibits and prevents ad campaigns involving offensive or inappropriate terms , and we will continue to strongly enforce our policies . " Facebook had a similar problem recently , and said it was working to " prevent such offensive differences in demographic traits from appearing as addressable terms " , and search giant Google has also experienced the issue .