01Mimetic Desire
The observation that people do not invent their desires from scratch. They copy them from other people. You did not independently decide to want that watch, that neighborhood, or that business coach. You saw someone you admire want it first, and their wanting made it wantable. This is not weakness or vanity. It is how humans have always learned what to value, the same way children learn language: by imitation. Most of it happens below awareness, which is why buyers rarely report it in surveys.
In marketing terms: your buyers are not comparing features. They are watching other people. Find out who, and you know what to say.
02Mimetic Theory
The larger framework built on mimetic desire, developed by the French thinker Rene Girard over five decades of studying literature, anthropology, and religion. It explains how imitated desire produces rivalry, how rivalry escalates into conflict, and how groups discharge that conflict onto scapegoats. It sounds abstract until you watch it operate in an ad account, where ten competitors converge on identical claims because each one is imitating the others while believing they are differentiating.
In marketing terms: the theory predicts why every brand in your category sounds the same, and it tells you where the exits are.
03Rene Girard
French historian and literary critic, 1923 to 2015, who spent his career at institutions including Johns Hopkins and Stanford developing mimetic theory. He noticed that the great novelists, Cervantes, Dostoevsky, Proust, all portrayed desire the same way: borrowed from a model, not generated within. Peter Thiel credits Girard's teaching as an influence on his early bet on Facebook, a company built almost entirely on watching what other people want. Girard never wrote about marketing. He explains it anyway.
In marketing terms: the most useful mind in advertising never worked a day in advertising.
06Mimetic Rivalry
What happens when two people copy each other's desires at close range. Each becomes the other's obstacle and the other's model at the same time, and the object itself starts to matter less than winning. Business markets run on this. Practices watch competing practices. Parents watch other parents. Agencies watch other agencies. The rivalry generates urgency that no rational feature comparison can produce, which is why buyers sometimes purchase things they barely need the week a rival gets one.
In marketing terms: find the rivalry your buyers are caught in and position your offer inside that energy, not outside it.
07Scapegoat Mechanism
Girard's account of how groups resolve the tension that rivalry builds: they converge on a single target and blame it. In markets, the scapegoat is whatever the community has collectively decided is the villain, the ingredient everyone now avoids, the platform everyone blames, the "old way" every guru kicks. Scapegoats are rarely chosen fairly. Underperforming campaigns have scapegoats too. It is usually the creative that gets blamed, and it is usually not the creative's fault.
In marketing terms: know what your market scapegoats so you never accidentally wear the villain's costume, and never rely on it as your whole pitch.
08Anti-Mimetic Positioning
Deliberately refusing to imitate the claims your competitors converge on. When nine of thirteen estate attorneys lead with "peace of mind," the phrase has stopped meaning anything. The anti-mimetic move is not contrarianism for its own sake. It is finding what buyers actually want to hear that nobody is saying, then saying it plainly. One client heard it put this way: find the commonalities everyone is using, be the opposite, and become a category of one.
In marketing terms: differentiation is not a slogan exercise. It is a map of what everyone else says, and a decision to leave it.
09Desire Field
The whole web of models, rivalries, and aspirations operating in a market at a given moment. Individual buyers feel like they are making private decisions, but they are moving through a shared field, pulled by the same models and repelled by the same scapegoats. Mapping the field means reading enough real buyer conversation to see the pattern: who is admired, who is resented, what possession or outcome currently signals arrival. Fields are specific. A wellness market's field looks nothing like a test-prep market's.
In marketing terms: you are never speaking to one buyer. You are speaking into a field, and the field decides how your message lands.
10Hidden Layer
Our name for what sits underneath a market's surface: the borrowed desires, active rivalries, unspoken beliefs, and identity questions that actually drive buying decisions. It borrows the term from neural networks, where hidden layers are the ones doing the real computation between input and output. Buyers cannot usually articulate their hidden layer, which is why asking them directly fails. It has to be read from behavior and from the conversations they have when nobody is selling to them. The complete 5-layer research engagement carries the same name.
In marketing terms: the surface tells you what buyers did. The hidden layer tells you why, and why is what copy is made of.
11Surface Layer
Everything about a market that is easy to see: demographics, stated preferences, analytics dashboards, competitor websites, survey answers. Surface data is not false. It is just downstream. It records the visible results of decisions without recording what produced them. Most marketing is built entirely from surface data, which is why most marketing in a category converges on the same claims. Everyone is reading the same dashboards and drawing the same conclusions.
In marketing terms: if your strategy was built only from analytics and a demographic profile, your competitors have the same strategy.
12Voice of Customer
The practice of collecting buyers' own words from reviews, interviews, and support tickets, then using that language in marketing. It is genuinely useful and a real step above guessing. It is also not enough on its own, because customers report what they are comfortable saying and what they are consciously aware of. Nobody writes a review saying "I bought this because a parent I envy bought it first." Voice of customer captures the testimony. It does not capture the motive.
In marketing terms: mine the language, absolutely. Then read underneath it for the desires the language is politely covering.
13Buyer Intelligence
Researched, evidence-based understanding of what actually drives a specific market's buying decisions: who buyers model, what rivalries push them, where their desire is heading, and what they need to believe before saying yes. It is the input that agencies, courses, and AI tools all assume you already have. Built properly, it comes from hundreds of primary sources read by a person, not from a brainstorm or a template. It is the difference between executing on a guess and executing on knowledge.
In marketing terms: intelligence is upstream of everything. Better inputs make every downstream dollar work harder.
14Primary Source
A place where buyers speak for themselves, unprompted and unmediated: Reddit threads, forum arguments, review sites where the anger is specific, community groups, comment sections. The opposite of a secondary source, which is someone's summary of a market, an industry report, a competitor's positioning, a survey aggregate. Primary sources are messy, contradictory, and honest in ways prompted research never is, because the people writing them were not answering a researcher. They were talking to each other.
In marketing terms: two hundred primary sources will tell you things about your buyers that no report about your industry ever will.
15Synthetic Persona
An AI-generated stand-in for a real buyer: ask a language model to "be" your customer, then interview it. The appeal is obvious, instant and cheap. The problem is that the model has never been your customer. It generates a plausible average of everything written about people vaguely like your customer, minus the contradictions and surprises that make real buyers legible. Researchers themselves are not fooled: in recent industry surveying, only 8 percent trust synthetic users as a substitute for real participants. We wrote about why they are right.
In marketing terms: a synthetic persona tells you what an average sounds like. Your revenue lives in how your buyers differ from the average.
16Belief Gap
The distance between what a buyer currently believes and what they would need to believe before buying from you. Most failing campaigns are not failing on attention or offer. They are arguing past a belief the buyer already holds, or assuming a belief the buyer has not formed yet. A medical company we worked with doubled its conversion rate by addressing its market's actual belief gap and changing nothing else. The gap is findable, and it is specific.
In marketing terms: stop asking "what should we say" and start asking "what do they believe right now, and what has to change."
17Desire Velocity
The direction and speed at which a market's wanting is moving. Desire is not static. What your buyers wanted six months ago is not what they want now, and what is accelerating today will be the table stakes of next year. Reading velocity means noticing which aspirations are gaining energy in buyer conversations and which are going stale, so you can build toward momentum instead of anchoring your message to a desire that is already fading.
In marketing terms: position for where desire is going. Marketing aimed at where it was six months ago arrives at an empty room.
18Market Sophistication
Eugene Schwartz's 1966 observation that markets wear out claims. The first brand to promise a benefit wins with the plain promise. Then competitors copy it, and the claim goes invisible, so the market demands a mechanism, then a unique mechanism, then finally something deeper: a message that connects to the buyer's identity. Most crowded markets today sit at the late stages, drowning in copied claims, while the winning territory is identity, what buying says about who the buyer is.
In marketing terms: if your promise sounds like your competitors' promise, the market stopped hearing it before you started saying it.