Big Bets for the CMO in 2026
The Everything Interface
The Everything Interface
If 2025 was about AI reshaping discovery and what’s possible, 2026 is when AI will redesign the entire system on which marketing is built.
Every CMO I talk to is balancing the same competing forces: pressure to grow, pressure to cut waste, and pressure to deliver clarity in a landscape that’s anything but clear.
Algorithms are shaping outcomes faster than roadmaps can keep up. Channels are fragmenting and consolidating at the same time. Measurement is being rebuilt from the ground up.
The CMOs who win in 2026 will be the ones willing to rethink long-held assumptions about how brands show up for customers, build creative, and measure performance in an environment where attention and trust are in constant flux.
The question isn’t whether marketing will change. It’s whether you’re ready to lead that change.
Let’s get into the nitty gritty.
AI has hit its awkward teenage years.
The novelty has worn off, the chaos has set in, and the future suddenly feels within sight. For the first time since the birth of the web, marketing isn’t dealing with just another shiny new channel. It’s dealing with a whole new dimension.
We’re moving from surfaces to interfaces: from one-dimensional placements to systems that invite interaction and continuously learn.
The algorithms aren’t gods; they’re infrastructure. They’re no longer guestimating; they’re governing.
This convergence—between search and commerce, ads and answers, creative and data—is what we call The Everything Interface: one intelligent layer interpreting every signal, mediating every move, and quietly deciding who wins.
For CMOs, this isn’t a moment for panic. It’s a moment for reprogramming.
If you take away one thing from Tinuiti’s Big Bets for the CMO in 2026 report, it’s this: stop chasing what’s dying and start designing for what’s replacing it.
“While we have often spoken about novel surfaces as we consider the future of advertising, this is inherently one-sided and non-interactive. The moment we’re observing is a transition toward interfaces. AI-enabled platforms are enabling novel media consumption habits and truly enabling consumers to interact in a way that has not been possible before.”
Simon PoultonEVP of Innovation & Growth, Tinuiti
The banner ad copied print. The pre-roll copied TV. Every ad format since the dawn of digital has been a rehash of some older form that predated it. AI is the first medium that doesn’t borrow. It builds.
The new creative frontier is AI-native advertising. Content generated in real time for one person, one context, one micro-moment, and then gone.
Your ad isn’t version A or B anymore; it’s version infinity, rendered in milliseconds by models that read the weather, the query, the sentiment, the screen, the scroll, the user’s past actions and present intentions. It is the Perfect Ad.
This is no longer science fiction. The speed and cost of compute are dropping mind-numbingly fast, making fully automated, per-person ad generation commercially feasible by the end of 2026 so it should be part of your budget planning cycle now.
For brands, that’s both liberation and liability. Relevance will spike. So will risk.
The campaign calendar dies; what replaces it is a living system that needs rules, prompts, and proof baked in.
Creative strategy stops being about assets and becomes about algorithms of taste—what to allow, what to forbid, and how to learn without losing control.
“The most effective creative strategies in 2026 will master the dance between freedom and control: giving AI the space to create at speed, while controlling the controllables. Use data-backed generative AI solutions like Tinuiti’s AdCopy AI to uplevel and scale your creatives, and complement your ads with intentional guardrails like Text Guidelines in Google’s Search and Performance Max campaign ads.”
Michelle MerklinVP of Search, Tinuiti
It’s not that bots create distrust. The problem is the disintermediation they create. When purchases flow through LLMs, the buyer is separated from the seller. Who’s responsible when it breaks? That’s the new trust gap.
Result: in the near term, we predict trust accrues to the platforms that have already earned it. Amazon has the right to win first (end-to-end fulfillment, returns, and reputation). Google is close behind, melding Shopping with its new AI Mode in Search to enable conversational checkout. Walmart, through its ChatGPT integration, is turning chat into commerce, letting users browse, compare, and buy directly inside the conversation.
The “iPhone moment” for agentic commerce won’t start on the open web; it will happen inside walled gardens—teaching consumers agentic deference (“stock the kids’ snacks”) in environments they already trust.
Trust now has an off-site dimension too. LLMs really like to cite others before they cite your website. They’ll talk about you, but want to see what other people said first. Authority signals (press, analysts, reviews, subreddits) are prerequisites for answer engines. In other words: credibility lives outside your content. The interface decides who to believe based on what everyone else is saying.
“In a never-ending world of content, influence, not attention, is the biggest problem. Trust is the underpinning of influence, and today’s world reflects a new ecosystem of trust. An ecosystem that is less about institutions and brands and more about subreddits and creators, where social proof reigns supreme. The platforms and LLMs have tapped into this, pulling in these trusted voices into how consumers discover products and brands, changing what they choose to buy.”
Tavo CastroEVP, Head of Strategic Planning and Investment, Tinuiti
Browsers and AI systems are collapsing into the same thing: interpreters. Chrome (Gemini), Edge (Copilot), OpenAI’s Atlas, and Perplexity’s Comet no longer just show information. They process it, personalize it, and decide what to surface next. They read what you read, watch what you watch, and remember what you buy. And then they use that memory to shape both answers and ads.
Welcome to Temporal Preference Exposure (TPE): the moment your systems don’t just know what you wanted; they know when and why. Consumers will love the convenience and hate the permanence. Expect time-bounded consent to emerge (“share my order history for 15 minutes to check warranty”), then auto-revoke.
Search isn’t dead; its surface is. Google’s AI Mode becomes the primary search entry point; “AIOs” are the on-ramp to AI Mode. Winning means treating search as the original AI interface—then optimizing for its new behaviors (topics, themes, and answer-aware ad copy).
“As agentic browsers personalize search and make decisions for users, marketers will increasingly market to the agent, not the human. Clear, current, and trustworthy product and brand data becomes everything because if the agent can’t understand your brand, the user will never get to see you either.”
Jen CornwellSr. Director of AI SEO Innovation, Tinuiti
Retail Media Networks (RMNs) rewired consumer commerce. Now their logic is rewriting B2B.
The closed-loop model will jump to B2B via Business Media Networks (BMNs)—research platforms, cloud marketplaces, finance suites, and SaaS ecosystems packaging first-party “work identity” (as opposed to a user’s consumer identity) for targeting and measurement.
Instead of counting on cookies and clicks, BMNs will be ecosystems that sell attention based on who you are at work and what you buy for your company.
Imagine Forrester as a DSP. Experian as a network. LinkedIn as a marketplace.
For marketers, this means the holy grail of enterprise growth is finally measurable: awareness to pipeline to profit inside one system. For agents, it means richer signals—verified roles, budgets, and intent—that let AI recommend vendors as confidently as consumers recommend products.
The fight ahead is not for scale; it’s for context.
Every industry will spawn its own network. The first to package its data into clean, actionable
audiences wins the attention economy of work.
“B2B is a huge business. Great leads are worth thousands. But the shift and sort to get to those leads, the truly interested, right time, right place intersections is part of what makes B2B such a difficult and lengthy process of weeks to years. This is an industry ready and ripe for the disruption that an AI-powered BMN at scale can bring.”
Elizabeth MarstenVice President, Commerce Media, Tinuiti
While Big Bets 2026 explores how AI, data, and creativity will transform marketing, this section asks how those same forces will transform us—and what agencies must become to deliver real value in this new world of marketing we stand at the precipice of.
Automation does the flying. But agencies don’t exist in the cockpit; we exist in the control tower—coordinating, guiding, and keeping the system learning safely.
The next era isn’t about volume. It’s about verifiability. Agencies must become the connective layer that keeps creativity, data, and commerce learning together.
The best agencies won’t just make and place ads; they’ll design the rules of the system that makes them.
“The agency that will win in the AI era is not a reseller of point solutions… It’s the one that connects capability, technology, and volume with measurement-driven strategy. That’s how you prove the lift.”
Zach MorrisonChief Executive Officer & Board Director, Tinuiti
Check out our most recent Big Bets Guide for exclusive insights.