Search is rapidly shifting from traditional rankings to AI-generated answers. Platforms like Google AI Overviews, ChatGPT, and Perplexity now synthesize information from multiple sources to deliver instant responses often without users ever clicking a link. This transformation is creating a new competitive frontier called Generative Engine Optimization (GEO). In this guide, we explore how enterprise brands can optimize content to be cited inside AI answers, build authority in generative search, and stay visible in the future of AI-powered discovery.