AI

Research, guides and practical advice on AI search, GEO and AEO.

• AI · June 10, 2026

  ChatGPT has launched ads: what it means for Korean brands

  ChatGPT ads launched in the US in February 2026, and a self-serve Ads Manager rolled out in May. PION breaks down the Korea launch timeline, the ad-answer separation principle, and how Korean brands should respond.

  Read article: ChatGPT has launched ads: what it means for Korean brands

• AI · April 20, 2026

  What are AEO and GEO? Marketing as search becomes answers

  PION breaks down the definitions of AEO (Answer Engine Optimization) and GEO (Generative Engine Optimization), how they differ from SEO, and the four things brands must prepare for in the AI search era.

  Read article: What are AEO and GEO? Marketing as search becomes answers