In March 2017, The federal government of the United Kingdom pulled its advertising and marketing strategies from YouTube, immediately after reports that its adverts had appeared on videos that contains extremist content material. The federal government demanded assurances that its promoting would "be sent properly and correctly". The Guardian https://onelifesocial.com/story5611106/indicators-on-%D8%A7%D9%84%D8%B3%D8%B9%D9%88%D8%AF%D9%8A%D8%A9-you-should-know