https://www.washingtonpost.com/news/the-switch/wp/2018/02/12/one-of-the-worlds-largest-advertisers-threatens-to-pull-its-ads-from-facebook-and-google-over-toxic-content/ >Unilever’s Chief Marketing Officer Keith Weed will call on Silicon Valley Monday to better police what he describes as a toxic online environment where propaganda, hate speech and disturbing content that exploits children thrives.