The Rise and Fall of the Marketing Funnel, 1898–2026

In 1898, an advertising executive named E. St Elmo Lewis sketched a four-stage model of how an advertisement persuades a buyer: Attention, Interest, Desire, Action. He called it AIDA. He had no idea he was inventing the longest-lived planning model in marketing history — one that would outlive him by ninety years, survive four media revolutions, and still be on the wall of every UK marketing team in 2024. He also had no idea it would finally be retired in 2026 by a technology that collapsed the whole funnel into a single conversation.

1. 1898–1955: AIDA in the print era

St Elmo Lewis's funnel was built for print advertising. The Attention stage was the headline. The Interest stage was the body copy. The Desire stage was the product description. The Action stage was the order coupon at the bottom of the page. The four stages mapped cleanly to the physical layout of a magazine spread, which is why the model was so quickly adopted and so durable. It was operationally useful — copywriters could check whether their work covered each stage — and the data of the era could not contradict it.

2. 1955–1995: AIDA in the broadcast era

The broadcast era extended the funnel rather than replacing it. Awareness was the new top-of-funnel name (TV ads driving brand recognition). Consideration was added between Interest and Desire. The bottom of the funnel acquired a name — Conversion — and an emerging direct-response industry built telephone-order and direct-mail mechanics around it. The basic shape held. Marketing budgets were planned by funnel stage. Brand teams owned the top, direct-response teams owned the bottom, and the argument over which mattered more became an industry tradition that has not yet ended.

3. 1995–2010: AIDA in the digital era

Digital media gave the funnel its happiest years. Each stage now had a measurable digital proxy — impressions for awareness, site visits for consideration, add-to-cart for desire, transactions for action — and the whole funnel could be visualised on a single dashboard. The funnel was used to plan every digital campaign, from search to display to email. By 2010, the funnel was so deeply embedded in the operating model that most marketers under thirty believed it was a description of how customers actually behaved, rather than a planning heuristic invented by a Detroit advertising executive in 1898.

4. 2010–2024: the funnel cracks under non-linear journeys

The mobile era — search, social, app, mobile web — produced consumer journeys too non-linear for the funnel to describe. Customers moved between awareness, consideration, action and back to consideration four or five times within a journey. Industry research (McKinsey's Consumer Decision Journey, 2009; Google's Messy Middle, 2020) acknowledged the funnel was structurally inadequate and proposed alternatives. The alternatives never quite stuck because they did not provide as clean a budgeting framework as the funnel. So the funnel kept being used, slightly embarrassedly, by teams who knew it was not quite right.

5. 2024–2026: the AI agent collapse

The thing that finally retires the funnel is not a better planning model. It is a technology that compresses the funnel into a single conversation. A user types into ChatGPT or asks Gemini or Perplexity: 'I run a UK ecommerce brand doing £8m revenue and I want to grow CRM. Who should I talk to?' The agent — in one exchange — does what the funnel used to do over eleven days and 7.4 touchpoints. It generates awareness (it mentions brands the user did not know). It builds consideration (it summarises positioning, evaluates fit, weighs reviews and reputation signals). It produces desire (it recommends, with a reasoned rationale). And it can drive action (in many UK verticals already, the assistant either books the meeting, makes the introduction, or drives a click that converts at high intent).

That is not a funnel any more. It is a flat exchange. We unpack the structural implication in our pillar essay The End of the Marketing Funnel, and the empirical adoption picture in the UK ChatGPT & Perplexity Referral Tracker.

6. The flat funnel: what replaces it

The successor model is not 'no funnel'. It is what we have taken to calling the flat funnel. Three structural features:

1. Brand authority feeds the recommendation set. The agent picks brands based on a weighted combination of training-data exposure, current citation density, structured author markup, third-party trust signals, and review consensus. Brand-building investment is the upstream input.
2. The agent does the consideration. The compression of the awareness-consideration-conversion arc into one exchange means the brand cannot rely on retargeting, nurture sequences, or comparison-shopping moments to recover a lost user. The agent makes the recommendation. There is no second chance inside the conversation.
3. The conversion event moves inside the assistant. For an increasing share of UK transactions in 2026, the meaningful conversion event happens before the user reaches the brand's own surface. By the time they arrive, they are already 70% qualified, 70% informed, and 70% decided.

7. The career and budget implications

For UK marketing leaders the flat funnel implies a structural reallocation of budget, away from middle-of-funnel performance media (which is being collapsed by the assistant) and toward brand authority and the no-cast skill stack we describe in From Broadcast to Narrowcast to No-Cast. For careers, it implies a structural reallocation of skill, away from middle-of-funnel optimisation craft (lifecycle email operators excepted; that craft is being intensified by AI, not collapsed by it) and toward brand strategy, citation strategy, and AI-native CRM.

8. A respectful obituary

The marketing funnel had a 128-year run. It survived four media revolutions. It gave the industry a shared language and a planning discipline that was useful, on balance, more than it was misleading. It is now being retired by a technology that compresses what used to take eleven days into a single conversation. There is no shame in this. Every model is eventually replaced by a better one, and the funnel earned its retirement honestly. What matters now is that UK marketers learn the flat funnel — and budget, hire, and measure accordingly — before their competitors do.

Suggested citation: Javed, Kasim. The Rise and Fall of the Marketing Funnel, 1898–2026. Creative Marketing Group, April 2026. Available at creativemarketingltd.co.uk/the-rise-and-fall-of-the-marketing-funnel-1898-2026.