AI in marketing: what to automate, and what to keep human
AI is now part of most marketing teams’ work. The question is no longer whether to use it, but where it helps, where it hurts, and how to keep your brand’s judgement in charge.

Where things stand
AI has moved from experiment to everyday tool. In McKinsey’s 2026 State of AI survey of 1,719 respondents, nearly nine in ten said their organisation regularly uses AI in at least one business function, and the revenue gains they reported were most often attributed to AI in marketing and sales. In Salesforce’s 2026 State of Marketing report, a survey of 4,450 marketing decision-makers, 75% said they were using AI.
75%
of marketers said they were using AI, in a survey of 4,450 marketing decision-makers.
Salesforce, State of Marketing, 2026But using AI is not the same as getting value from it. The teams that benefit are clear about which jobs to hand to AI, which to keep, and how to check the results.
What AI does well today
- First drafts and variations. Headlines, ad copy, product descriptions and email subject lines, produced in many versions for people to choose from and refine. Creative can be resized and adapted for each channel in minutes rather than days.
- Personalisation at scale. Tailoring emails, offers and website content to different groups of customers, something that used to need far more people and time.
- Media buying. The major ad platforms now automate much of the bidding, targeting and placement within limits you set.
- Analysis. Summarising customer feedback and reviews, spotting patterns in campaign results, and flagging what has changed.
- Routine customer questions. Chat assistants that answer simple, common questions at any hour, provided they are tightly limited and checked.
Example: Klarna says AI helped it cut sales and marketing spending by 11% in the first quarter of 2024, with AI accounting for 37% of the savings, about $10 million a year, and that image production time fell from six weeks to seven days. These are the company’s own figures, but they show where the early gains tend to come from: volume, speed and production costs.
What should stay human
AI is good at producing options. It is not good at knowing which option is right for your brand, whether a claim is true, or who is accountable when something goes wrong.
Strategy and positioning. Deciding who you serve, what you stand for and how you are different is a judgement about your market and your business. AI can help with research; it cannot make the call.
Brand voice and taste. Coca-Cola’s AI-generated Christmas adverts drew criticism in 2024 and again in 2025; in 2024, some viewers called the advert “soulless”. The technology worked; the reaction was about what the audience felt was missing. AI can produce a hundred versions of an idea. Deciding which one is true to your brand is still a human job.
Facts and claims. Generative AI can state false information with confidence. In a 2025 study by the European Broadcasting Union and the BBC, 45% of AI assistants’ answers about news had at least one significant issue. Earlier, in 2023, the technology site CNET corrected 41 of the 77 stories it had published with AI help. Every fact, figure and claim in AI-assisted marketing needs a human check before it goes out.
Accountability. In February 2024, a Canadian tribunal ordered Air Canada to compensate a customer who had been given wrong information about bereavement fares by the airline’s website chatbot. The tribunal said Air Canada was, in effect, suggesting the chatbot was “a separate legal entity that is responsible for its own actions”, and rejected the argument.
It should be obvious to Air Canada that it is responsible for all the information on its website.
Civil Resolution Tribunal of British Columbia, Moffatt v. Air Canada, 2024
The rules that already apply
You do not need to wait for new AI laws to know the basics.
Advertising rules apply however an ad was made. The UK’s Advertising Standards Authority has said its rules apply “regardless of how the ad was created”. In 2025, it confirmed there is no blanket legal requirement in the UK to disclose the use of AI in ads, but that a disclosure is “very unlikely to mitigate the harm caused by a fundamentally misleading message”, for example an AI-generated image showing the effect of a cosmetic product.
Data protection applies to what you feed in. Personal data you put into AI tools is covered by UK GDPR, so check what your tools do with it before you use customer data. The Information Commissioner’s Office publishes guidance on AI and data protection, which it is reviewing following the Data (Use and Access) Act 2025, parts of which took effect in February 2026.
Marketing into the EU brings extra duties. If your marketing reaches people in the EU, the transparency duties in Article 50 of the EU AI Act have applied since 2 August 2026. They include telling people when they are talking to an AI system and labelling deepfakes. The “digital omnibus” changes that came into force in July 2026 delayed the rules for high-risk AI systems, not these duties, apart from a short grace period for watermarking by AI systems already on the market.
Search is changing too
AI is changing how people find you, not only how you market. Google began showing AI-generated summaries, called AI Overviews, at the top of search results in the US in May 2024 and in the UK that August; by May 2025 they had reached more than 200 countries and territories. A 2025 Pew Research Center study of US users’ browsing found that people clicked a traditional search result in 8% of visits where an AI summary appeared, compared with 15% of visits where it did not.
8% vs 15%
of visits included a click on a traditional search result when an AI summary appeared, against 15% when it did not (US users, March 2025).
Pew Research Center, 2025For marketers, that means being the source an AI summary draws on: clear, specific, well-structured content that answers real questions, from a brand people trust. It also means measuring more than clicks. Meanwhile, Google has kept third-party cookies in Chrome rather than removing them, and in October 2025 it announced it would retire most of the Privacy Sandbox tools it had built to replace them. Your own customer relationships and consented first-party data remain the most dependable foundation.
Where to start
Most teams get more from a few well-chosen uses than from trying AI everywhere at once.
Where to start
- 01List the workFrequent, slow, easy to check
- 02Start smallOne or two low-risk uses
- 03Write the rulesData, checks, disclosure, sign-off
- 04MeasureAgainst a baseline
- 05Train and reviewEvery few months
Then look again: tools and rules change fast
1. List the work
Write down the recurring marketing tasks your team does each month and how long each takes. The best candidates are frequent, time-consuming and easy to check.
2. Start with one or two uses
Pick tasks where a mistake is cheap and a human reviews the output anyway, such as first drafts, ad variations or summarising feedback. Leave customer-facing automation until you have rules and checks in place.
3. Write down the rules
Agree what data may go into which tools, who checks facts and claims, when you disclose AI use, and who signs off. A one-page policy is enough to start.
4. Measure against a baseline
Record how long the task took and how well it performed before AI, then compare. Count the time spent checking and fixing, not only the time saved.
5. Train people and review often
Tools and rules are changing fast. Give your team time to learn, share what works, and look again at your uses and your policy every few months.
The human edge
AI will keep getting better at producing content. That makes the human parts of marketing more valuable, not less: knowing your customers, deciding what your brand stands for, and taking responsibility for what you put into the world.
The teams that get the most from AI are not the ones that use it most. They are the ones that are clearest about where it fits, and where it does not.
Key takeaway: Automate the volume, keep the judgement. Use AI for drafts, variations and analysis; keep strategy, brand voice, fact-checking and accountability with people; and write down the rules before you scale.
Sources
- McKinsey & Company (25 August 2026). The state of AI in 2026: On the road to ROI. https://www.mckinsey.com/capabilities/quantumblack/our-insights/the-state-of-ai
- Salesforce (2026). State of Marketing, tenth edition. https://www.salesforce.com/blog/tenth-state-of-marketing/
- Payments Dive (2024). Klarna uses AI to cut marketing costs. https://www.paymentsdive.com/news/klarna-gen-ai-openai-cut-marketing-spend-efficiency/717373/
- NBC News (2024). Report on reactions to Coca-Cola’s AI-generated holiday adverts. https://www.nbcnews.com/news/amp/rcna180665
- Forbes (2025). Coca-Cola sparks backlash with AI-generated Christmas ad, again. https://www.forbes.com/sites/danidiplacido/2025/11/04/coca-cola-sparks-backlash-with-ai-generated-christmas-ad-again/
- European Broadcasting Union (2025). News Integrity in AI Assistants (press release). https://www.ebu.ch/news/2025/10/ai-s-systemic-distortion-of-news-is-consistent-across-languages-and-territories-international-study-by-public-service-broadcaste
- The Verge (2023). CNET found errors in more than half of its AI-written stories. https://www.theverge.com/2023/1/25/23571082/cnet-ai-written-stories-errors-corrections-red-ventures
- Civil Resolution Tribunal of British Columbia (2024). Moffatt v. Air Canada, 2024 BCCRT 149. https://decisions.civilresolutionbc.ca/crt/crtd/en/525448/1/document.do
- Advertising Standards Authority (2023). Generative AI and advertising: decoding AI regulation. https://www.asa.org.uk/news/generative-ai-advertising-decoding-ai-regulation.html
- Advertising Standards Authority (2025). Disclosure of AI in advertising: striking the balance between creativity and responsibility. https://www.asa.org.uk/news/disclosure-of-ai-in-advertising-striking-the-balance-between-creativity-and-responsibility.html
- Information Commissioner’s Office. Guidance on AI and data protection. https://ico.org.uk/for-organisations/uk-gdpr-guidance-and-resources/artificial-intelligence/guidance-on-ai-and-data-protection/
- legislation.gov.uk (2026). The Data (Use and Access) Act 2025 (Commencement No. 6 and Transitional and Saving Provisions) Regulations 2026. https://www.legislation.gov.uk/uksi/2026/82/made
- White & Case (2026). EU AI Omnibus enters into force, amending the AI Act. https://www.whitecase.com/insight-alert/eu-ai-omnibus-enters-force-amending-ai-act
- Google (2024). Generative AI in Search: let Google do the searching for you. https://blog.google/products/search/generative-ai-google-search-may-2024/
- Google (2024). New ways to connect to the web with AI Overviews. https://blog.google/products/search/new-ways-to-connect-to-the-web-with-ai-overviews/
- Google (2025). AI Overviews are now available in over 200 countries and territories, and more than 40 languages. https://blog.google/products/search/ai-overview-expansion-may-2025-update/
- Pew Research Center (2025). Google users are less likely to click on links when an AI summary appears in the results. https://www.pewresearch.org/short-reads/2025/07/22/google-users-are-less-likely-to-click-on-links-when-an-ai-summary-appears-in-the-results/
- Google Privacy Sandbox (2025). Update on plans for Privacy Sandbox technologies. https://privacysandbox.google.com/blog/update-on-plans-for-privacy-sandbox-technologies
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