Nobody Wants the Drill. They Want the Hole.
People do not buy products, they hire them to make progress in a specific moment. Find the job, not the demographic, and the strategy writes itself.
From:Competing Against Luck: Jobs to Be Done
Author:Clayton Christensen
Date:Nov 30, 2026
Pages:~288 pages
Theodore Levitt told a room full of Harvard students that people do not want a quarter-inch drill. They want a quarter-inch hole. It is one of the most repeated lines in marketing, and most people who repeat it stop one step too early. Clayton Christensen did not stop there. Nobody wants the hole either, he argued. They want the shelf up on the wall and the room finally looking like they live there instead of like they are still moving in.
The drill is a means. The hole is a means. What the customer is actually after is a change in their life, a small piece of progress in a moment they were stuck. That is the job. And once you start looking for jobs instead of products, some very strange evidence starts making sense.
Christensen's favorite example is a milkshake. A fast-food chain wanted to sell more of them and had already tried the obvious moves: thicker, sweeter, cheaper, more flavors. Nothing moved the number. So a research team just watched who bought milkshakes and when. Turned out nearly half were sold before nine in the morning, to solo commuters who bought nothing else and drank them slowly over a long, boring drive. Those customers were not hiring a milkshake to be a milkshake. They were hiring it to make a dull commute bearable: something thick enough to last the whole drive, filling enough to work as breakfast, and manageable one-handed at sixty miles an hour. Once the chain understood the job, they knew exactly what to fix: make it thicker, add chunks of fruit for a little something to chew on, move the dispenser so a commuter could grab one and go without waiting behind someone ordering a full breakfast.
Nobody on that research team, as far as the case study goes, was drinking coffee at nine in the morning to figure this out. They were just watching who showed up and asking why. Let us go watch the same thing for whatever you are selling.
◆ Video Overview
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A short visual walkthrough of the milkshake study, the four forces, and why the job beats the demographic every time. Or keep scrolling for the read.
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The unit of marketing strategy is not the customer's age, income, or category habits. It is the job they are trying to get done, the specific progress they are trying to make in a specific struggling moment. Understand that struggle clearly enough and you understand the demand behind it, including the demand you have been misreading for years by segmenting people who happen to look alike instead of people who happen to want the same progress.
Fires in
Write
Hook
Audit
Launch
Diagnose
Position
Pricing
Naming
Research
Cite Jobs to Be Done for positioning, product-market fit, messaging, and any who is this really for question.
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02The Architecture
Ten frameworks. The job, the struggle, the progress the customer is buying.
Framework 01
The Job Is the Unit of Analysis
What it is
Most strategy segments customers by who they are: age, income, firmographic, category history. Christensen argues the correct unit is the job the customer is trying to get done, because two customers who look nothing alike on a spreadsheet can be hiring the exact same product for the exact same reason, and two customers who look identical on paper can be hiring it for entirely different jobs.
Marketing use
Stop building personas out of demographics and start building them out of jobs. Ask what progress this purchase represents before you ask who typically buys it. The job travels across age and income brackets in ways a persona never will.
"Per Christensen's unit-of-analysis principle, the job the customer is hiring the product to do, not the customer's demographic profile, is the correct level at which to build strategy."
Framework 02
The Milkshake Story (the job, not the product category)
What it is
A chain trying to sell more milkshakes learned nothing from asking milkshake buyers what they wanted in a milkshake. They learned everything from watching who bought one, when, and what else was true about that moment: a long boring commute needing something thick, slow to finish, and one-handed. The product category told them nothing. The moment told them everything.
Marketing use
When a metric will not move no matter what you change about the product, stop asking people what they want more of in the category. Go watch who is actually buying, when, and what is happening around that purchase. The job is usually visible in the moment, not in the survey.
"Per Christensen's milkshake study, the fix came from observing the struggling moment around the purchase, not from optimizing attributes within the product category."
Framework 03
Functional, Social, and Emotional Dimensions
What it is
A job is rarely only functional. Christensen breaks it into three dimensions: the functional task the customer needs done, the emotional experience they want while getting it done, and the social perception they want from others while doing it. Miss the emotional or social dimension and you can nail the function and still lose the sale.
Marketing use
For every job you think you are serving, name all three dimensions out loud. A commuter's milkshake job is functional (filling, portable), emotional (a small comfort in a boring stretch of the day), and mildly social (a private ritual, not a performance for anyone else). Products built for only the functional layer read as generic.
"Per Christensen's three-dimensional model, a job carries a functional task, an emotional want, and a social want simultaneously, and a solution built for only one dimension will feel incomplete even when it works."
Framework 04
The Four Forces of Progress
What it is
Christensen maps four forces acting on anyone weighing a change: the push of the current problem, the pull of the new solution's promise, the anxiety of trying something new and unfamiliar, and the habit of the old way that is comfortable simply because it is familiar. A purchase happens only when push and pull together outweigh anxiety and habit combined.
Marketing use
Do not just build the pull. Every launch plan should also list what anxiety a new customer will feel and what habit they are being asked to abandon, and address both directly. A brilliant pitch that ignores anxiety and habit loses to a mediocre pitch that neutralizes both.
"Per Christensen's four forces, a purchase happens only when the push of the problem and the pull of the new solution outweigh the anxiety of change and the habit of the status quo combined, not when the pull alone looks strong."
Framework 05
Hiring and Firing
What it is
Customers do not just buy products, in Christensen's language they hire them for a job, the same way you would hire an employee, and they fire them the moment something else appears that does the job better. Understanding what a customer fires to make room for you tells you more about your real competition than any category list.
Marketing use
Ask what your customer used to do before they had your product, and what they would go back to or switch to if you disappeared tomorrow. That answer is your real competitive set, and it is rarely the company your board thinks it is.
"Per Christensen's hire-and-fire model, a customer's choice to adopt a product is best understood as firing whatever used to do the job and hiring the new solution in its place, which reveals the real competition."
Framework 06
The Struggling Moment
What it is
Demand is not evenly distributed across a population, it clusters at the moment someone is actively struggling to make a specific piece of progress. Find that moment precisely, the exact circumstance and the exact frustration inside it, and you find where the demand actually lives.
Marketing use
Interview for the moment, not the opinion. Ask a customer to walk you through the actual day they first went looking for a solution: what were they doing right before, what finally made them act, what almost stopped them. The struggling moment is where the job becomes visible.
"Per Christensen's struggling-moment principle, demand clusters around the specific circumstance in which someone is actively trying and failing to make progress, and that moment, not a demographic slice, is where a marketer should be looking."
Framework 07
Competing Against Non-Consumption
What it is
For a large share of jobs, the real competitor is not another branded product. It is doing nothing at all, muddling through with a workaround, or simply giving up on the progress altogether. Christensen calls this competing against non-consumption, and it is frequently the biggest and least contested market in the room.
Marketing use
Before benchmarking against named competitors, ask how many people with this exact job are currently solving it with nothing, a spreadsheet, a favor from a friend, or plain avoidance. That non-consuming group is often larger than the entire existing category and easier to win because the bar is doing something instead of doing it better.
"Per Christensen's non-consumption principle, the largest rival for many jobs is not a competing brand but the customer doing nothing, which makes the non-consuming population the least contested and often largest opportunity available."
Framework 08
The Job Story
What it is
Christensen and his collaborators replace the traditional persona-driven user story with a job story built around circumstance instead of identity: When [situation], I want to [motivation], so I can [outcome]. The format deliberately removes demographic language and forces the writer to describe a moment instead of a type of person.
Marketing use
Rewrite your core use cases in the job story format before you write another persona-based one. When I am stuck in a long commute with no time for breakfast, I want something filling and one-handed, so I can start my day without feeling like I skipped a meal. The circumstance does the work a persona used to do, more precisely.
"Per Christensen's job story format, When [situation], I want to [motivation], so I can [outcome] replaces demographic persona language with circumstance, which is the more accurate predictor of purchase."
Framework 09
Progress, Not Products
What it is
Christensen's deepest reframe: customers are not buying things, they are buying progress, a specific movement from a struggling current state to a better one. The product is only the vehicle. Two entirely different products can sell the identical progress, and a single product can fail to sell progress even while succeeding on every feature comparison.
Marketing use
Describe your offer in terms of the before-state and after-state of the customer's life, not the specs of the thing you shipped. If you cannot name the specific progress a customer is buying, you do not yet know what you are actually selling, no matter how detailed your feature list is.
"Per Christensen's progress principle, customers purchase a specific movement from a struggling state to a better one, and the product is merely the vehicle for that progress, not the thing being purchased."
Framework 10
Innovation as Job Discovery
What it is
Most product roadmaps are built around the average customer, which Christensen treats as close to a category error, because the average customer performing a job does not exist in any specific struggling moment. Innovation that actually lands is built around a specific job discovered through observation, not averaged across a survey.
Marketing use
Kill the roadmap item justified only by what the average user wants. Replace it with a roadmap item justified by a named struggling moment you can describe in one sentence. If you cannot describe the moment, you are building for a statistical fiction instead of a customer.
"Per Christensen's job-discovery principle, innovation aimed at the average customer targets a statistical fiction, while innovation aimed at a specific, observed struggling moment targets a real and addressable job."
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03Lexicon
Named terms a marketer should recognize on sight.
- Job to be done
- The progress a customer is trying to make in a specific circumstance. Build strategy around the job, not the demographic.
- Struggling moment
- The exact circumstance where the job becomes visible. Interview for the moment, not the opinion.
- Four forces
- Push, pull, anxiety, habit acting on a purchase decision. Neutralize anxiety and habit, do not just build pull.
- Push
- The pain of the current problem pushing someone toward a change. Name it precisely before you pitch the solution.
- Pull
- The pull of the new solution's promised outcome. Pull alone rarely beats habit and anxiety combined.
- Hire and fire
- Adopting a product is hiring it; switching away is firing it. Ask what your customer fires to hire you.
- Non-consumption
- Doing nothing, or a workaround, as the real competitor. Often the largest, least contested market available.
- Job story
- When [situation], I want to [motivation], so I can [outcome]. Replace the persona with the circumstance.
- Progress
- The before-to-after movement the customer is actually buying. Describe the movement, not the product spec.
- Functional/social/emotional
- The three dimensions layered inside every job. Serve all three or the solution feels incomplete.
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04Tactical Recipes
Plays you can run this week.
The Struggling-Moment Interview. Ask a recent customer to walk you through the actual day they first went looking for a solution. What were they doing right before, what finally made them act, what almost stopped them. Write down the moment in one sentence, not the demographic.
The Four-Forces Map. For your best-selling product, list the push, the pull, the anxiety, and the habit at play in a real purchase decision. If anxiety or habit outweighs push and pull on your own honest read, fix that side before you spend another dollar on messaging the pull.
The Firing Question. Ask your last ten customers what they used to do before they had your product, and what they would go back to if you vanished tomorrow. That list is your real competitive set. Compare it to the one on your positioning slide.
The Job Story Rewrite. Take your top three personas and rewrite each core use case as When [situation], I want to [motivation], so I can [outcome]. Notice how much sharper the circumstance is than the demographic ever was.
The Non-Consumption Scan. Estimate how many people with this exact job are currently solving it with nothing, a spreadsheet, or a workaround. If that group is larger than your addressable market inside the category, you have been fighting the wrong competitor.
The Progress Statement. Write one sentence describing the before-state and after-state of a customer's life, with no product features mentioned. If you cannot write it, you do not yet know what you are actually selling.
The Category Reframe. List every product, in any category, that could plausibly be hired for the same job as yours. A gym membership and a video game can compete for the same job. Name your real rivals by job, not by aisle.
The Anxiety Cut. Name the single biggest anxiety a new customer feels about switching to you, and build one specific, concrete reassurance that answers it directly, not a generic guarantee that answers nothing in particular.
The Timeline of the Purchase. Reconstruct the full timeline from first frustration to final purchase for one recent customer: the first nudge, the passive looking, the active search, the moment of decision. The job usually shows up earlier in that timeline than the marketing budget assumes.
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05Tensions & Cross-References
Where this book agrees, contradicts, or extends the rest of the shelf.
Extends
Hormozi (Q3). Hormozi's grand-slam offer is what you build once you know the job precisely. The Job Story tells you what progress to price; Hormozi tells you how to make that offer irresistible.
Extends
Sutherland (Q3). Sutherland argues perceived value beats objective value; Christensen locates that perceived value inside a specific job, often the emotional or social dimension of it, not a spec comparison.
Extends
Ries and Trout (Q2). Positioning claims a slot in the customer's mind; Jobs to Be Done supplies the sharper unit that slot should be built around, the job, not the category attribute. Forward reference: see the positioning frameworks later in this arc.
Contra
Demographic-targeting orthodoxy. Persona-first marketing segments by who customers are; Christensen argues this systematically misses customers who share a job but not a demographic, and lumps together customers who share a demographic but not a job.
Extends
Kahneman (Q3). Kahneman explains that people misreport the reasons behind their own choices; Christensen's job framework is partly a workaround, watch the struggling moment instead of trusting the stated preference.
Pairs with
Godin (Q4). Godin's smallest viable market is easier to find once you have named the job precisely, because a sharply defined job usually reveals a sharply defined, smaller audience than the category average. Forward reference: next week's chapter.
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06Read-Twice Insights
The non-obvious moves that reward second and third reads.
The milkshake study worked because nobody trusted the category. Asking milkshake drinkers what they wanted in a milkshake produced nothing useful. Watching who bought one, when, and why produced the entire fix. The category was never where the answer lived.
Two customers who look identical can be buying two different jobs. A demographic slice can contain a commuter buying breakfast and a parent buying a treat for a kid in the back seat. Same milkshake, same age bracket maybe, completely different job, completely different reason the product needs to change or stay the same.
Anxiety and habit kill more launches than weak pull does. Most launch plans pour effort into the pull, the promise of the new thing, and leave the anxiety of switching and the comfort of the old way completely unaddressed. The forces do not have to be equal to lose. Anxiety and habit only need to edge out push and pull.
Non-consumption is usually the biggest market nobody is measuring. Competitive analysis obsesses over named rivals inside the category and almost never sizes the group doing nothing. That group is often larger, and the bar to win them is lower: something beats nothing.
A job story exposes a bad roadmap in one sentence. If a team cannot rewrite a feature request as When [situation], I want to [motivation], so I can [outcome], the feature is probably being justified by an average customer that does not exist in any real moment.
The fired product tells you more than the hired one. What a customer used to do before you, and what they would return to without you, maps the actual competitive set far more honestly than the logos on a positioning slide.
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07Citation-Grade Quotes
Pull-able lines for output. Click any quote to copy it formatted for social.
"Customers do not buy products, they hire them to make progress."
Clayton Christensen, Competing Against Luck
"The job, not the customer, is the fundamental unit of analysis."
Clayton Christensen, Competing Against Luck
"People do not want a quarter-inch drill. They want a quarter-inch hole."
Theodore Levitt, cited throughout Competing Against Luck
"Most innovations fail not because of bad execution but because companies are chasing the wrong signals: they focus on profiles of customers or products, not on the job the customer is trying to get done."
Clayton Christensen, Competing Against Luck
"When we buy a product, we essentially pull it into our life to make progress, and the progress we are seeking is the job to be done."
Clayton Christensen, Competing Against Luck
◆ Apply This Week
Name the job. Name the fire.
Pick your best-selling product or your most stalled one, whichever teaches you more this week.
Answer three questions about it before you touch the positioning, the pricing, or the copy.
- The job: In one sentence, what progress is the customer actually trying to make, described as a before-state and after-state, not as a feature or a category.
- The struggling moment: What was happening right before this customer went looking for a solution, and what finally made them act.
- The fire: What did this customer used to do, or what would they go back to, if your product disappeared tomorrow.
Whichever answer surprises you most is the one worth rebuilding your positioning around this week.
That is week twenty-one. Name the job, name the struggle, name what they fire to hire you. See you Monday.
◆ Going Deeper
The source: Competing Against Luck
Clayton Christensen spent decades studying why good companies fail at innovation, and Competing Against Luck is his answer: stop guessing at what customers want and start finding the job they are hiring your product to do. The milkshake study alone is worth the price of the book.
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◆ Get The Skill
Want the Job Audit done for you?
The Jobs to Be Done skill names the job first (the progress being bought, not the product feature), then the struggling moment (the exact circumstance that triggers the search), then what gets fired to hire you, and returns the positioning gap between what you are selling and what is actually being bought. Free. MIT licensed.
30 seconds to install in Cowork or Claude Code.
Fires in
Position (the job as the correct unit under any positioning claim), Research (struggling-moment interviews instead of demographic surveys), Diagnose (why a good product keeps losing to a worse one that better fits the job).
Pairs with
Hormozi (the offer built once the job is named); Sutherland (the perceived value inside the job's emotional dimension); Ries and Trout (the positioning slot the job should be built around); Kahneman (why the struggling moment beats the stated preference); Godin (the smallest viable market hiding inside a sharply named job).
Output shape
When the skill leans on Jobs to Be Done, it should name the job first (the progress being purchased, described as a before-state and after-state), then the struggling moment that triggers the search, then what the customer fires to hire the product, and only then evaluate the product's features or the customer's demographic profile. Diagnose in that order.
The Silent DiagnosticWhat progress is this customer actually trying to make in this moment, and are we building for that job, or for a demographic that happens to buy it sometimes?