How Brands Use Reddit to Poison AI Search

How Brands Use Reddit to Poison AI Search

June 29, 2026 · 42 min

About this episode

The episode explores how brands manipulate Reddit to influence AI search results.

This week, we're doing a deep dive into how marketing companies are poisoning AI search results by manipulating Reddit. You may remember when Google’s AI search results first launched, it recommended that people put glue on their pizza. Well that happened because it scraped a 10 year old Reddit comment. We’ve learned over the last year or so that this sort of thing can be done on purpose, and brands are taking advantage of it. There’s been the rise of AEO or GEO, which stands for AI Engine Optimization or Generative Engine Optimization. Basically this is trying to get mentions of your brand into web content that’s likely to be scraped by AI tools. It’s the new version of SEO and lots of marketers and companies are trying to do it. The most reliable, easiest way to do this appears to be by putting brand mentions onto Reddit. Reddit’s volunteer mods have noticed an increase in bot accounts and entire sequencing efforts—where a post and its comments are all basically done as a stealth ad—intended to boost brands. I wrote an article about this a few weeks ago, about r/biohackers banning mentions of peptides, which were a popular promoted class of product. After we wrote that article…

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