The article proposes a shift in marketing strategy from Search Engine Optimization (SEO) to Generative Engine Optimization (GEO) by 2026, focusing on AI buying agents rather than human search. It introduces the concept of 'Share of Model Voice' (SoMV) as a new key performance indicator, replacing traditional metrics like Pageviews and Click-Through Rate. A 90-day pilot program for Q1 2026 is outlined to establish SoMV baselines and identify data accuracy gaps for AI models.