Earlier this year, a Reddit user had asked members of a skincare-focused subreddit if anyone had tried a specific hypochlorous acid spray, a product often used for acne. There were dozens of responses; one from a user named Primary-Taro4254 seemed innocuous enough, at least at first.
Source: [The Verge](https://www.theverge.com/ai-artificial-intelligence/973098/reddit-ai-search-seo-marketing-brands-spam)