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AI Engines Now Decide Brand Discovery in More Than a Third of Consumer Categories — and the Winners Aren't the Biggest Brands
AI Visibility

AI Engines Now Decide Brand Discovery in More Than a Third of Consumer Categories — and the Winners Aren't the Biggest Brands

Generative AI engines have become the first stop in a meaningful share of American consumer research, and the brands those engines recommend are often not the brands that lead the underlying markets. A new analysis from 5W, the 'AI Communications Firm,' ranks the largest brands in fifteen consumer and B2B categories by their estimated citation share inside ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews.

EPR Editorial Team ·
AI Visibility, Explained
AI Communications

AI Visibility, Explained

AI Visibility is the degree to which a brand is present, accurate, and on-strategy inside the answers generated by AI engines. It is the goal of GEO. It is what Citation Share approximately measures. The mechanism differs from search-era brand visibility.

EPR Editorial Team ·
The Anatomy of an AI Answer
AI Communications

The Anatomy of an AI Answer

This article explores how AI answer engines like ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews build responses, detailing the two main modes (trained knowledge and live retrieval), the six steps from question to answer, and the five factors that make a source rank highly. It also explains what determines which entities are named in an AI answer and offers five key takeaways for communications professionals on how to influence AI outputs.

EPR Editorial Team ·
The Death of the Tier-One Media List
AI Communications

The Death of the Tier-One Media List

The article introduces AI Communications, a discipline that redefines the traditional tier-one media list. It explains how AI engine analysis measures actual publication authority, replacing outdated assumptions with data-driven insights. This new approach combines public relations, Generative Engine Optimization (GEO), and AI-visibility research to influence answers from AI platforms like ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews. The article details the shortcomings of the old media list, which was based on inherited assumptions, and outlines how AI engines reveal a different landscape of influential sources. It highlights new patterns, such as the importance of "ignored trade" publications and older interviews, and discusses operational changes for PR professionals. The piece concludes by emphasizing that the new tier-one list is a dynamic, research-driven output, customized per category and client, and crucial for effective modern PR strategies.

EPR Editorial Team ·
Citation Share: The New Market Share
AI Communications

Citation Share: The New Market Share

Citation Share is the new metric defining AI Communications, measuring an entity's presence in AI-generated answers. This article explains how It measures a brand's inclusion in AI answers across major engines, why it's replacing traditional market share, and how communications teams can use it to drive strategy and investment.

Ronn Torossian ·
GEO for Healthcare
Healthcare

GEO for Healthcare

Healthcare GEO is the practice of building visibility for healthcare, pharmaceutical, biotech, device, payer, and hospital brands inside the answers generated by AI engines. This field guide defines the discipline, explains why it exists, and lays out how it works.

EPR Editorial Team ·