YouTube Is the Stealth GEO Channel Nobody Talks About (But AI Engines Do)
YouTube generates between 25% and 38% of all generative engine optimization citations for retail brands, according to data from the agency PMG shared with AdExchanger in June 2026. That is not a typo. More than a quarter of the times ChatGPT, Perplexity, or Gemini cites a retail brand in an answer, the source traces back to a YouTube video. Yet almost every GEO guide published in 2026 focuses on blog posts, schema markup, and llms.txt. None of them mention video. Brands are invisible to AI engines on a channel they have been treating as a dumping ground for old content. ...