Writing

Marketing

The behavioural science of persuasion, positioning, and why some brands win while others disappear.

What's the STORY? The Question That Stops You Diving

Every goalkeeper dives. Every marketing team rushes to "do something." But the communication that actually lands begins one step earlier — with understanding...

7 September 2026
8 min read

The Personalisation Paradox: Why Hyper-Targeted Marketing Is Creating Decision Fatigue

A STAR Framework analysis of why the technology built to simplify choice is quietly dismantling it.

28 August 2026
16 min read

Psychographic Segmentation Is Dead. Long Live Psychographic Segmentation.

Every few years, marketing undergoes a ritual purge of its favourite buzzwords. Right now, the bell tolls for psychographic segmentation.

17 August 2026
6 min read

The Brick That Speaks Four Languages: What Lego Teaches Us About the Psychology of Human Motivation

You do not need a psychology degree to understand how people are motivated. You just need to watch a family sit down with a box of Lego.

13 August 2026
10 min read

Trust Is the New Conversion Rate: What STAR Tells Us About the 2026 Consumer

Everyone in marketing is talking about trust right now. The Edelman Trust Barometer says it. PwC says it. Every LinkedIn thought leader with a Canva template...

12 August 2026
9 min read

The Unoptimised Human — The Competence Trap

There is a paradox at the centre of modern marketing, and it has been bothering me all month.

7 August 2026
5 min read

The Bus Ad in the Feed: Why Demand Gen Flatters Agencies More Than It Serves Students and Parents

Google's Demand Gen, Display, Paid Social and programmatic advertising are sold to universities and PBSA operators as essential upper and mid-funnel tools. T...

5 August 2026
12 min read

The Motivation Inversion: When Personalisation Kills the Thing It's Trying to Serve

There's a moment, and you've probably had it, where an algorithm serves you something so precisely targeted that it feels less like a recommendation and more...

4 August 2026
9 min read

The Unoptimised Human — We Can See Everything and Still Get It Wrong

July was a strange month to be in marketing.

1 August 2026
5 min read

STAR as Attention Architecture - A Theoretical Framework for Human-AI Cognitive Alignment

David Chadderton Creator of the STAR Framework | Chief Marketing Officer | Author

28 July 2026
21 min read

The Unoptimised Human — The Construction Is the Product

Your monthly behavioural science briefing from David Chadderton

25 July 2026
5 min read

Join The DOTS: Communication That Lands, Every Time

There's a difference between a landing that was always going to work and one that could have gone either way.

19 July 2026
8 min read

The Unoptimised Human — Identity Is the New Strategy

The monthly roundup from The Unoptimised Human. What I wrote, what I noticed, and what it all means.

18 July 2026
5 min read

The Unoptimised Human — Identity Is the Last Competitive Advantage

A monthly roundup from David Chadderton

11 July 2026
6 min read

The Vibe Marketing Paradox: Technical Competence Without Brand Intelligence

The vibe coding conversation has been one of the more interesting cultural moments in tech this year. Someone with no engineering background prompts an AI to...

10 July 2026
5 min read

Action Bias: The Fallacy of "We Have to Do Something"

Why the most dangerous phrase in marketing is "we need to do something," and what penalty shootouts teach us about the courage of inaction.

9 July 2026
11 min read

Action Bias: Why Your Client Demands a Dive When They Need You to Stay

The penalty kick study explains everything wrong with how PBSA brands react to slow sales.

8 July 2026
13 min read

Chinese Cars in Europe: Brand Identity and the Psychology of Market Disruption

BYD and peers just outsold Japanese automakers in Europe for the first time. What does brand loyalty actually rest on?

8 July 2026
7 min read

ROTAS: Return on Total Ad Spend

Author: David Chadderton, CMO, Homes for Students Version: 1.0 — June 2026 Status: Draft for Implementation

8 July 2026
13 min read

Self-Determination Theory: The Science of What Actually Makes People Tick

Why the most powerful motivational framework in psychology explains everything from Patagonia's cult following to why you keep buying things you don't need —...

8 July 2026
33 min read

Substack Promotion Notes: The Audience You're Calling Gen Z Doesn't Exist

24 notes for posting over 3 days. Max 120 words each.

8 July 2026
7 min read

The Anonymous Consumer: Why Gen Z Builds Identity Behind Pseudonyms

Gen Z isn't hiding from brands. They're building something more sophisticated than anything your segmentation model can see.

8 July 2026
13 min read

The EU AI Act and UK AI Policy: A Marketing Team Briefing

A practical guide for marketing teams and businesses navigating AI regulation in Europe

8 July 2026
14 min read

The Psychological Shaping Effect of Chronic Illness on Consumer and Behavioural Type: A STAR Framework Investigation

Discipline: Behavioural Psychology / Health Psychology / Consumer Psychology Proposed Methodology: Mixed methods (quantitative survey with qualitative follow...

8 July 2026
10 min read

The Selection Paradox: Why Students Choose Wrong

Safety first. That's how students choose accommodation. 34.6% of them pick Safety and Security as their number one priority when selecting where to live. Mor...

8 July 2026
7 min read

The Third Need: Why Lawrence of Arabia Could Win a War But Not His Own Mind

Three psychological needs drive everything you do. Two of them get all the attention. The third one is the one that breaks you.

8 July 2026
11 min read

The Tipping Tribe: When Social Proof Flips a Market

How three psychological segments turn a niche product into a normal choice, and why the tipping point is a social identity flip, not a sales milestone.

8 July 2026
9 min read

The Unoptimised Human — Belonging Is the Product

The monthly newsletter from David Chadderton

8 July 2026
4 min read

The Unoptimised Human — Belonging Is the Strategy

Your monthly round-up from The Unoptimised Human on Substack

8 July 2026
5 min read

The Unoptimised Human — Monthly Roundup (July 2026)

If there is one thread that runs through everything I wrote this month, it is this: the organisations that will survive the next five years are the ones that...

8 July 2026
4 min read

What 9,200 Reviews Tell Us About the Metrics That Actually Matter

Most student accommodation marketing stops at the booking. The data says that is exactly where the story begins.

8 July 2026
10 min read

What 9,200 Reviews Tell Us About Where Students Actually Want to Live

The data behind a year of student voices, and what it reveals about the psychology of home.

8 July 2026
18 min read

What Costco Knows About Motivation That Most Businesses Don't

What drives a business?

8 July 2026
7 min read

Vibe Coders Have a Marketing Problem. They Just Don't Know It.

You can build anything now. That was never the hard part.

3 July 2026
11 min read

The Confirmation Economy: How Modern Branding Manufactures Reality

A Belgian sommelier took a €2.50 supermarket wine, gave it a label, a backstory, and a gold medal, and proved that the product was never the point. What he a...

1 July 2026
18 min read

The Invisible First Click: Why Your Next Customer Will Never Visit Your Website

The consideration set is being formed before the customer knows they have one. The brands that understand this are already winning. The ones that don't are a...

1 July 2026
21 min read

Your Next Student Won't Visit Your Website

The first decision about where they live is being made by a system that doesn't know you. And most operators have no idea it's happening.

1 July 2026
10 min read

Havas Says Desire Drives Growth. STAR Tells You Which Desire.

Havas just published the largest study on brand desire in history. They found that desire, not visibility, predicts sustained growth. But desire is not one t...

28 June 2026
9 min read

The M&S Customer Doesn't Exist

There are four people in the M&S food hall on a Saturday afternoon. A twenty-three-year-old in a North Face jacket is photographing the meal deal options, no...

27 June 2026
17 min read

Vespa at 80: The Scooter That Was Never Just a Scooter

Italy is celebrating. Seventy-nine years after Corradino d'Ascanio sketched the first prototype for an aircraft manufacturer that had just lost a war, the Ve...

27 June 2026
11 min read

Your Most Loyal Customer Hates You

My mate Steve has been banking with the same high street bank for twenty-three years. He hates them. Genuinely hates them. The app is clunky, the overdraft f...

27 June 2026
11 min read

The Autonomy Tax: When Personalisation Becomes Control

75% of UK consumers find AI-driven personalisation intrusive. That's not a technology problem. That's a psychological boundary being crossed.

26 June 2026
7 min read

Conditional Tribalism Is the New Segmentation: Kill Your Demographics

If Gen Z conditionally aligns around values-in-context, demographic segmentation is dead. Here's what to replace it with.

23 June 2026
11 min read

The Wowcher Catastrophe: When a Marketing Email Goes Horribly Wrong

How a crocodile attack email became a case study in brand self-sabotage, and why AI is making these disasters more likely, not less.

23 June 2026
13 min read

Dentsu's Gen Z Problem: Why "Community-Led" Brand Building Needs More Than Better Targeting

A response to the data. And the wrong conclusions drawn from it.

22 June 2026
13 min read

The Gen Z Tribal Paradox: They Want Belonging But Refuse to Be Pinned Down

Gen Z brand loyalty is conditional tribalism. They want community but resist fixed identity. And that contradiction is breaking every segmentation model you'...

21 June 2026
10 min read

The 70% Problem: Why Your Brand Is an Outsider

Trust isn't collapsing. It's retreating. And the brands that understand the difference will own the next decade.

20 June 2026
16 min read

The Privacy Paradox Is a Personalisation Paradox

Capgemini published a report this month that should make every marketer uncomfortable. Not because the numbers are surprising, but because they reveal a tens...

19 June 2026
6 min read

Identity Fusion Theory: The Missing Piece in Brand Loyalty

Why some customers don't just buy your brand. They become it.

18 June 2026
8 min read

The Channel Stack: Why TikTok and Google Both Win, and Neither Wins Alone

David Chadderton Chief Marketing Officer, Homes for Students | VervLife | Orla

17 June 2026
8 min read

Exhaustion: Script Bible (Revised)

Title: Exhaustion Format: Historical feature film Tagline: Three armies. Two invasions. One battle that defined a millennium.

16 June 2026
59 min read

The UK Just Banned Social Media for Under-16s. Australia Already Proved It Won't Work.

The UK is banning social media for under-16s. The ban's own evidence suggests it won't work. So why does it feel like progress?

15 June 2026
20 min read

The August Deadline Nobody Is Talking About

On 2 August 2026, the EU AI Act's transparency obligations become enforceable. Most marketers have no idea.

11 June 2026
9 min read

The EU AI Act: A Definitive Guide for Marketing Teams

June 2026 · Practical compliance guidance for marketers, agencies, and brand teams

11 June 2026
19 min read

When the Algorithm Gets It Wrong: AI Deepfakes, Pride, and the Trust Deficit

The ASA's new guidance on AI-generated advertising reveals a deeper crisis of authenticity.

11 June 2026
6 min read

Your Brand Has a New Customer: The Algorithm

📌 AI AND AI INTEGRATION

11 June 2026
11 min read

Stop Nudging Your Customers. Start Boosting Them.

The personalisation industry has spent a decade perfecting the art of the nudge. Here's why it's time to build something better, and what a 40-year-old psych...

5 June 2026
14 min read

Why Your Personalisation Strategy Is Looking in the Wrong Direction

The most expensive assumption in marketing is that past behaviour predicts future behaviour. Here's what to replace it with.

5 June 2026
6 min read

Gartner Says Only 11% Trust AI to Decide: STAR Explains Why

A recent Gartner survey found that consumers want AI to help them shop, but not to make purchase decisions for them. The STAR Framework explains exactly why,...

1 June 2026
10 min read

Starbucks, AI, and the Slogan Nobody Checked

When a brand outsources cultural intelligence to a language model, it doesn't get efficiency. It gets a blind spot the size of a democracy movement.

26 May 2026
8 min read

The Algorithm That Built Itself

The most powerful algorithm on earth isn't running on a server. It's running inside your head.

25 May 2026
13 min read

The Audience You're Calling Gen Z Doesn't Exist

Why dentsu's own research proves that "Gen Z consumer behaviour" is a contradiction in terms

20 May 2026
9 min read

The Superpower We All Want: Why "Understanding People" Is the Ultimate Fiction Hook

Marketing / Consumer Psychology

14 May 2026
8 min read

The Agentic CMO: Why AI Just Made Psychological Typing a Boardroom Essential

OpenAI launched a self-serve advertising platform inside ChatGPT last week. Google is automatically migrating every advertiser onto AI Max. The CMO role, alr...

11 May 2026
13 min read

The Disease Card: What Eli Lilly's Obesity Campaign Reveals About the Psychology of Reframing

Eli Lilly has launched a website in the UK with a URL that is also its entire argument: uk.lilly.com/obesityisadisease. The site is part of a broader campaig...

11 May 2026
11 min read

Rory Sutherland's Herdify Move: Why Influence Analytics Needs Behavioural Depth

When the leading evangelist of behavioural economics joins an influence analytics platform, it looks like a validation of behaviour tracking. In reality, it...

1 January 2026
6 min read

The Fake Downing Street Listing: When Platform Trust Breaks, It Breaks Everything

Someone listed 10 Downing Street on Booking.com. Not the real one, obviously. A spoof listing for the most famous address in the United Kingdom, complete wit...

1 January 2026
5 min read

The Unoptimised Human — The Sameness Problem

There's a pattern emerging across everything I've written this month, and I didn't see it until I sat down to pull this together. It started with a LinkedIn...

1 January 2026
4 min read

The Unoptimised Human — When the Algorithm Meets the Human

This month, every piece I wrote kept returning to the same collision point: the moment an optimised system encounters an unoptimised human, and the interesti...

1 January 2026
5 min read

Your Customers Don't Have Segments — They Have Attention Signatures

Demographics are dead. Needs-based segmentation is the replacement. Neither one can explain why two people who want the same thing make opposite decisions.

1 January 2026
8 min read