<https://www.washingtonpost.com/news/the-switch/wp/2018/02/12/one-of-the-worl...> One of the world’s largest advertisers warned that it could pull its ads from online networks, such as Facebook and YouTube, if the tech companies do not minimize divisive content on their platforms. Unilever’s chief marketing officer, Keith Weed, called on Silicon Valley on Monday to better police what he describes as a toxic online environment where propaganda, hate speech and disturbing content that exploits children live.