What Reddit’s Data-Laundering Lawsuit Against Perplexity Means for Reddit Marketing
In October 2025, Reddit did something that reframed how the entire industry should think about the value of a comment thread. It sued an AI company, arguing that its users' posts were being taken and resold without permission. The target was Perplexity, along with a set of firms Reddit accused of scraping its content at industrial scale. The complaint's language was blunt: Reddit's chief legal officer described an economy built on laundered human conversation. Reddit's October 2025 complaint named Perplexity alongside three data-scraping firms, accusing them of harvesting posts through Google's search results and reselling the material. It followed an earlier suit Reddit had filed against another AI developer over similar claims. Why a Forum Is Suddenly Worth Litigating Over Companies do not go to federal court over things that…









