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Shipping the output is the easy bit. The checking is the job.

TalkbrightonSEO8 and 9 October 2026The Brighton Centre

Shipping the output is the easy bit. The checking is the job. Anyone can get an answer out of a model. Getting work you would put in front of a client, at volume, without reading every line yourself, is a different discipline.

It is called marketing engineering, and the talk is about the part that makes it safe.

Three ways in Free AI mentorship
A web-fed offset press printing newspapers at speed

The new discipline

Capacity used to be the constraint. Now it is the one thing you have too much of.

Marketing planning has always been rationing. How many pages, how many variants, how many markets, how many people. Every plan was an argument with capacity.

When supply stops being scarce, the scarce thing moves. It moves to knowing what is worth making, and to proving that what you made is right, at a volume no one can read line by line.

That argument is over. An agent will write the thousandth variant, read every competitor page and rebuild the report every morning, and the marginal cost of one more is close to nothing. Supply is effectively unlimited.

That is not marketing as it was taught. You design the system, you instrument it, you test it, and you trust the output because the system earns that trust. That is engineering, applied to marketing.

A clerk punching cards by hand on a Hollerith machine

What used to be scarce

Everything you could count.

  • Hands
  • Hours
  • Production capacity
  • Agency headcount
  • Time to market
  • Number of variants
  • How many markets
A machinist works a turret lathe in an aircraft factory, 1942

What is scarce now

Everything you cannot.

  • Knowing what is worth making
  • Proving it is right
  • Trust at volume
  • Taste
  • The system that checks
  • Accountability

Marketing engineering is the name for the work in the second column. The talk is about the part of it that decides whether any of this is usable: how you check the output of a system that never gets tired and never stops producing.

The job title

The title is new. The job has been forming for a while.

mar·ket·ing en·gi·neer

/ MAR-ki-ting en-juh-NEER / noun

  1. A marketer who builds the system that makes the work, rather than making each piece by hand: the marketing engineer designs, tests and proves the process, then lets it run.
  2. A practitioner for whom capacity is no longer the constraint, and whose effort therefore goes into deciding what is worth making and proving that it is right.
  3. Informal. The person in the room who asks how do we know? before does it look good?

Origin: 2020s, marketing + engineer, by analogy with software engineer. Emerged as generative AI made output cheap and proof expensive.

A typesetter cutting lines of machine-set type by hand in 1949

Nobody trained for this. The people doing it came out of SEO, out of CRM, out of production, and taught themselves to build the system and then check it.

If that sounds like where you are heading, the talk is the practical half of it: what the checking actually looks like when the thing you are checking never gets tired and never stops producing.

Take this further

Three ways to take this further after the talk. Pick whichever one fits. All three take under a minute.

  • AI and agencies: understanding the future

    For leadership teams. A complimentary half day with your SLT on where AI moves the value in your agency, what stops being yours, and what you have to own to stay hard to replace. Half a day, free of charge.

    See the session

  • Free AI mentorship for marketers

    For everyone else. A monthly session and a check-in, open to anyone in marketing who wants to get good at this. Agentic evaluation is one of the things we will work through, along with whatever you are stuck on. Monthly, free, starting after the conference.

    Join the programme

  • Follow the work on LinkedIn

    For the slow burn. Builds, evals, what worked and what did not. Everything we learn ends up there first, usually before it is tidy.

    Follow Jeremy

Free AI mentorship

Get good at this, with company.

A monthly session plus a check-in, free, for people in marketing who want to actually build with AI rather than read about it. We work through real problems: evals, agentic workflows, what to automate and what to leave alone. Put your name down and we will be in touch before the first one.

  • A monthly session

    One topic, worked through properly, with the build shown rather than described.

  • A check-in

    Bring what you are stuck on. Most of the value is in other people's problems.

  • The eval material

    The checking patterns from the talk, written up, so you can run them yourself.

Optional. What you are trying to build, or what keeps going wrong.

You will get the date of the first session and the eval write-up from the talk.

Running a leadership team?

The free half-day session takes the same thinking to your agency leadership team.

Get in touch or see the session