The search landscape has fundamentally changed. Is your brand ready? In 2025, ChatGPT processed more product recommendation queries than Google Shopping received clicks. Consumers are asking AI for advice—and AI is recommending your competitors. The problem: Your SEO is strong. Your brand awareness is solid. Your marketing metrics look great. But when someone asks ChatGPT, Claude, or Perplexity for recommendations in your category, you're invisible. Welcome to AI Search Intelligence Optimization (AISO)—the missing discipline in modern marketing. This isn't just about today's AI platforms. As models shift toward real-time web retrieval, commercial integration emerges, and personalized recommendations become standard, the brands that understand AISO fundamentals will dominate—while others scramble to catch up. This book reveals the systematic framework for making AI models understand, remember, and recommend your brand. You'll discover: The five dimensions that determine AI visibility—and why strength in one can't compensate for weakness in another - How AI models actually decide what brands to recommend (hint: it's nothing like Google's algorithm) - Why your Wikipedia page matters more than your homepage for AI discovery - The exact signals AI models consume when forming beliefs about your brand - How to build competitive moats that compound as AI discovery evolves - Platform-specific strategies for ChatGPT, Claude, Perplexity, Google AI, and Gemini - How model evolution and real-time data retrieval are changing the game—and what stays constant AISO isn't about gaming algorithms. It's about building genuine authority that AI models can recognize and confidently recommend. Whether you're a CMO discovering your brand doesn't exist in AI recommendations, a founder building visibility from scratch, or a marketing team trying to understand why traffic patterns are shifting—this book provides the strategic framework and tactical guidance you need. The brands investing in AISO today are building advantages that will compound for years. The question is: will you be one of them