https://www.techdirt.com/articles/20201104/15213945651/content-moderation-case-study-moderating-anonymous-social-network-2015.shtml

Summary: Between around 2013 and 2015 there was a sudden popularity of so-called “anonymous” social networks. A few had existed before, but suddenly the market was full of them: Whisper, Secret and Yik Yak received the most attention. All of them argued that by allowing people to post content anonymously, they were helping people, allowing them to express their true thoughts rather than repress them. Whisper and Secret both worked by letting people anonymously post short text, which would be shown over an image in the background.

In practice, many of the apps filled up with harassment, bullying, hateful content and the like. Whisper, as one of the bigger companies in the space, invested heavily in content moderation from early on, saying that it had set up an outsourced team (via TaskUs in the Philippines) to handle moderation. However, questions of scalability became an issue, and the company also built software to help with content moderation, called “The Arbiter.” In press reports, Whisper employees suggested “The Arbiter” was almost perfect: