AI Changed Search: What Does That Mean for Marketers?

Every few years, the marketing industry discovers a new acronym and reorganizes itself around it. Search Engine Optimization (SEO) gave way to Search Engine Marketing (SEM), which expanded to include Answer Engine Optimization (AEO), now joined by Generative Engine Optimization (GEO). Each arrival prompts a familiar sequence: conferences convene, consultants materialize, budgets shift. The technology changes. The ritual does not.

What AI has changed is not why people search, but who performs the first act of synthesis. For nearly twenty-five years, Google functioned as an efficient librarian – it surfaced information, and people constructed understanding from it. Today, AI reads the available material, identifies patterns, resolves contradictions and delivers a synthesized response. The user receives a conclusion, not a catalogue. The homework has not disappeared. The synthesis has moved upstream. This matters because it changes not just how content is found, but which content is deemed credible enough to form the basis of an answer at all.

Two Searches, One Observation 

A search for “how to choose a car in India” returns buying guides, editorial advice and structured comparisons. Sponsored results are largely absent. Google positions itself as an educator, recognizing that the user is still forming a decision framework. A search for “car deals near me” produces an entirely different experience – dealer listings, local maps and sponsored results dominate. The educational posture disappears. The same platform, the same product category, and a completely different response.

What changed is the customer’s state of mind. At the early stage, trust must be built before commerce is possible, so the engine suppresses promotional content. At the late stage, trust has already been established elsewhere, and the engine monetizes accordingly. This is not an algorithmic accident. It is a structural model: educate when understanding is being formed, transact when it has been formed.

The more consequential observation is what this reveals about the customer journey. There are at least two fundamentally different moments – one in which the customer is asking help me think, and one in which they are asking help me buy. Marketing that cannot distinguish between these moments, or that attempts to sell at both indiscriminately, is likely to be absent at precisely the stage where brand preference is being formed.

The Diagnosis Marketing Skips

The standard response to this observation is to ask which acronym – SEO, AEO or GEO should now receive priority. But that question assumes the strategic problem has already been correctly identified. The more useful prior question is simply: where is the customer getting stuck?

A customer who is Unaware has not encountered the brand at the stage where they are forming a view of the category. They are reading guides, seeking frameworks, trying to understand what questions to ask. A brand absent from this stage is absent from the customer’s mental map before any consideration occurs. No volume of retargeting or paid search at the transactional stage recovers that ground.

A customer who is Unconsidered is aware of the brand but does not surface it when evaluating options. This is typically a failure of presence at the exploration stage – the moment when a customer scans alternatives or seeks independent validation. A brand that appears only in response to searches for its own name is invisible to customers who have not yet decided to look for it.

A customer who is Unpreferred has evaluated the brand and chosen a competitor. This is a differentiation failure, not a visibility one. More content, better optimized, will not fix it. These are three structurally different problems. Traditional SEO addresses discoverability. AEO structures content to answer specific questions directly, which matters most when understanding is still being formed. GEO builds the authority that AI systems draw on when synthesizing responses. Each tool addresses a different stage of the customer’s journey.

Applying the wrong one to the wrong problem is not merely inefficient – it is a form of strategic misdirection.

The Inversion at the Centre of Most Budgets

The lower funnel – conversion, paid search, retargeting receives disproportionate investment because it produces measurable outputs quickly. The upper funnel – the content and editorial work that builds familiarity before purchase intent exists – is harder to measure, slower to show results, and chronically underfunded relative to its strategic importance.

GEO and AEO operate at precisely the stage most budgets neglect: when a customer is still forming a view of a category, when trust is being built or withheld. The brands most likely to be cited in AI-generated responses are those that have been producing genuinely useful, category-level content consistently – not because they optimized for AI, but because they were already doing the work AI now rewards. The algorithm did not change the rules. It enforced ones that had always been there.

The Enduring Question

Information has become abundant. Understanding remains scarce. The brands that consistently help customers make sense of complexity before and during the purchase decision are the brands AI will increasingly trust, cite and recommend. Not because algorithms favor them, but because they have produced what AI is designed to find: credible sources of understanding.

The real story behind SEO, AEO and GEO is simpler than the vocabulary implies. AI has not changed what good marketing requires. It has made the consequences of neglecting it more difficult to avoid. The question that has always mattered most remains unchanged: at what moment in the customer’s thinking does this brand become genuinely useful and is it present at that moment? Technology has expanded the tools available to answer it. It has not altered the question itself.

Disclaimer: The opinions and views expressed in this article/column are those of the author(s) and do not necessarily reflect the views or positions of South Asian Herald.

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