Key Principle
Competition is defined by customers, not by product categories. Two products compete only when a customer switches from one to the other for the same Job. Physical resemblance, trend correlation, and industry taxonomy are all unreliable proxies. The true competitive set is whatever the customer mentally simulates as enabling the same progress -- and that set routinely crosses category boundaries.
"You can claim that two products are competitors only if you can find a customer who has switched from one to the other." — Alan Klement, Chapter 5
Why This Matters
Most strategic frameworks define competition by product similarity: refrigerators compete with refrigerators, computers compete with computers. This feels intuitive but produces catastrophic misallocation. You fortify against the wrong rival while the actual threat -- which looks nothing like your product -- quietly absorbs your customers. IBM spent decades fending off the PC-kills-mainframes narrative; the real threat was cloud computing, because cloud addressed the same Job (outsourcing computing capacity) rather than offering a different form factor to own.
The flip side is equally dangerous. When you label potential customers as "nonconsumers," you assume an empty market where a full one exists. Godrej built chotuKool for rural Indians who supposedly lacked any refrigeration solution. Those customers were not unserved -- they were differently served by clay pots, pot-in-pot cooling, daily vegetable purchasing, and milk boiling. The market was saturated with free alternatives. No amount of low pricing fixes a product when the competition costs nothing.
Good Examples
Coffee vs. kale smoothie. A customer switching from a morning coffee to a kale smoothie reveals cross-category competition invisible to any industry report. The Job is the same -- morning energy and self-improvement ritual -- but the products share no category. Competition comes from customers, not product similarity. (Ch. 7)
PCs vs. typewriters, not mainframes. Early PC ads (IBM 5100, Commodore Vic-20, Apple IIe, Tandy 1000) positioned against productivity tools and games -- never mainframes. When PCs arrived, typewriter and calculator sales declined; mainframe sales did not. Martin Marietta chose IBM PCs specifically for compatibility with their existing IBM mainframes -- complements masquerading as substitutes. (Ch. 5)
Clarity's known displacement. Dan Martell's Clarity succeeded because he could name exactly what customers would stop buying: conferences, LinkedIn premium, consultants, and advisory-share mentorship arrangements. He knew the budget he was displacing. (Ch. 7)
Counterpoints
chotuKool: solution-first blindness. Godrej, guided by Christensen's disruptive innovation framework, decided to build a low-cost refrigerator before talking to customers. They conducted home visits where customers explicitly said "I don't feel the need for a refrigerator" -- and ignored it, fixating on price comments instead. Sold 15,000 units in a test market of ~114.2 million people. By 2016, repositioned as a luxury portable cooler for the middle class -- a total reversal. (Ch. 7)
The nonconsumption trap. "JTBD rejects the idea of nonusers or nonconsumption. Just because consumers aren't using your product, or another product of the same type, doesn't mean they are nonusers." Labeling someone a nonuser blinds you to their actual competitive set. You design against absence when you should be designing against clay pots and daily shopping trips. (Ch. 7)
Trend-line conjecture. Many people own both smartphones and PCs. Unless you find people who stopped using PCs and started using smartphones for the same Job, the competitive claim is conjecture. "Competitive narratives are unfalsifiable stories" without switching evidence. (Ch. 7)
Key Quotes
"Customer Jobs rejects solution-first approaches and rejects the idea that products of only the same type can be competitors." — Alan Klement, Chapter 7
"Models of competition and markets that don't come from customers are almost guaranteed to be wrong." — Alan Klement, Chapter 7
"If you don't have a clear picture of what customers are going to give up when they start using your product, either you haven't done enough research, or no JTBD exists and you're creating a solution that no one will buy." — Alan Klement, Chapter 7
"How can you expect poor consumers with a minimum sustenance to be your pot of gold?" — G. Sunderraman, Godrej VP, Chapter 7
Rules of Thumb
- Switching-evidence test: If you cannot find a customer who switched from product A to product B for the same Job, they are not competitors -- regardless of how similar they look.
- Budget displacement test: Name the specific spending your product will redirect. No displaced budget means no viable market.
- Beware "nonconsumption": If someone has a Job, they are hiring something for it. "New market" claims usually mean insufficient research into existing alternatives.
- Scan for combined solutions: Customers assemble multiple free or low-cost behaviors into a single competitive solution (boiling milk + daily shopping + clay pots = one "refrigeration" system). Category-level analysis misses these composites.
- Refresh continuously: The competitive landscape shifts. What renders an innovation obsolete is often a system-level shift, not a cheaper version of the same thing. The iPod was killed by a smartphone app, not a better MP3 player.
Related References
- Jobs to Be Done as Self-Betterment - JTBD definition and system of progress
- The Forces of Progress - forces shaping competitive dynamics
- Anxiety, Inertia, and Habits as Silent Competitors - anxiety and habits as non-product competitors