Philip Hwang.
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Philip Hwang, Transformation Director at Leo Australia
In the sci-fi series Pluribus, an alien-originated mass event (invasion? infection?) results in the whole of humanity’s consciousness melting into what seems to be a pleasant, Xanax-induced hive mind. Speaking as a collective “we,” everyone knows everything about everyone, and disturbingly sycophant, they give the main character whatever she wants, including a hand grenade (“We just want to help, Carol!”).
It’s an intriguing update to the Invasion of the Body Snatchers, until you realise “they” also sound like… ChatGPT?
In 2026, the advertising industry won’t be defined by formats, channels or even data, but by context. Not the old kind from cookies and clicks, but stitched from collective human desire, now captured in feverish 2 am confessionals on gen AI companion apps.
Across every major AI platform, a tectonic shift is underway: AI systems are gaining long-term memory, not just session recall. As Sam Altman said in 2025, the goal is for ChatGPT to “remember your whole life” - every conversation, book, and email - so it can “reason across your whole context.”
But the real unlock is what happens next.
Gen AI platforms are turning into OS/App-store hybrids, where memory becomes portable. Open an app that plugs into the LLM, and it instantly inherits your context. In the not too distant future, your watch won’t just count steps; it will know why your stress spiked yesterday, from an ask of “recovery from an all-nighter deadline.” Your AR glasses don’t just display the world; they editorialise it based on your interests. Design obsessive? Here’s some design commentary on a city walk. Eco-conscious? Fact check sustainable sourcing for that coat you’re eyeing.
This is the advertising story of 2026:
Brand stickiness won’t come from messaging or mere data anymore, but from AI’s memory of you - and its memory of a brand- carried across every AI layer you use.
Because this is what AI ultimately wants to be: your LifeOS, the layer through which you see and interpret the world. Not just a cross-platform experience, but a continuity of self, carried by an agent that moves with you, remembers for you, and increasingly thinks ahead of you. People won’t move through the customer journey alone anymore. AI is riding shotgun, and this changes our marketing rules instantly.
The old adage about brands was: “It’s not what you say, but what they say” that matters. The new reality is: “It’s what the agent concludes (after reading everything they say),” that matters.
It’s a future that’s equal parts terrifying and tantalising. An assistant that truly “gets you” is seductively convenient, but context engineering is brutal work. It isn’t just remembering; it’s deciding what to remember across the shifting micro-identities we inhabit daily: parent, shopper, creator, gift-buyer, doom scroller…so that context doesn’t bleed from one instance to the next.
When ChatGPT gained memory, mine went from forgetful PA to overly enthusiastic golden retriever, pushing maid cafés in Tokyo weeks after I’d researched Japanese subcultures. Cute when it ruins your Spotify algorithm; not so much when it misinterprets intent and nudges buying decisions. But the behavioural shift appears to be unstoppable, with a recent IBM study revealing that 57% of people surveyed in the UK and Ireland are already comfortable with AI making everyday choices.
So, here’s the glass half-full view:
AI won’t disintermediate marketing. It will force it to become better. Because when AI acts as the arbiter of brand truth, only one thing matters: alignment. Between the brand you express in comms, and the brand people experience in real life.
For years, brands could paper over cracks with creative and media optimisation - frequency, retargeting, better segmentation. AI kills that escape hatch. When an agent maintains years of contextual memory, it evaluates patterns, not campaigns. If your service is unreliable and people talk about it, no frequency curve can fix it. Promise that you’re a “family-friendly adventure-ready minivan?” You better be, because AI is watching.
That’s because AI doesn’t buy the story, the clever slogans and campaigns: it buys the proof. It pieces your brand together not only from “what you say,” but from the aggregate of “what they say”: the innumerable product reviews, service experiences, forum rants, and third-party comparisons that make up the long tail “truth” of a brand.
Knowing the category entry point is now table stakes. Proving you can actually satisfy is the new job. If AI can’t verify your claim in aggregate data, you’re not getting matched to a buyer’s context. It’s flipping and closing the say-do gap. Just not what consumers say versus what they do, but what brands say versus what they actually deliver.
Marketers can’t afford to only pay attention to the top of the funnel anymore, but must shape every part of the business the AI learns from. Marketing departments have spent years advocating for consistency and C-suite, cross functional influence. AI makes it compulsory - because now the entire organisation shapes brand visibility.
2026 could well be the year marketing, product, and CX finally sit side-by-side. Not by choice, but because AI treats them as one.
And when it remembers everything as judge, jury, and historian of your brand, the only way to stay visible and relevant, is to live up to your promise. The order doesn’t change: nail the product, align the organisation to deliver it, then tell the story. Get the fundamentals wrong and AI will bury you without ceremony.
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