Moments of Truth
Any interaction where a customer forms a lasting impression of a company — the high-stakes touchpoints, like a complaint or an outage, where loyalty is won or lost.
The phrase comes from Jan Carlzon, who ran Scandinavian Airlines in the 1980s and wrote a management classic called Moments of Truth. His definition was deliberately broad: a moment of truth is any time a customer comes into contact with the business, however remote, and forms an impression of its quality. Carlzon made it concrete with a piece of arithmetic that still gets quoted: SAS's 10 million customers each contacted about five employees a year for roughly 15 seconds, so the airline was "created 50 million times a year, 15 seconds at a time" (Carlzon, Moments of Truth, 1987). The point was operational, not poetic: front-line staff, not head office, own those seconds.
Marketing then multiplied the term. Procter & Gamble's A.G. Lafley framed a First Moment of Truth (the three-to-seven seconds at the shelf where a shopper picks a product) and a Second Moment of Truth (using it), and Google added a Zero Moment of Truth in 2011 for the online research that now happens before purchase (Wikipedia: Moment of truth (marketing)). By the time you reach the "ultimate" and "third" moments of truth, the label has been stretched onto nearly every touchpoint a vendor wants to sell you tooling for.
In support and CX work, the useful residue is narrower: moments of truth are the small number of interactions carrying disproportionate weight — a first contact, a billing dispute, an outage, a cancellation attempt, a service failure and its recovery. These are where a customer decides whether the relationship is worth keeping, which is why they justify staffing, seniority, and clear authority to make things right on the spot.
What it hides: the romance of the single decisive moment. The idea that a few dramatic interactions determine everything tempts teams into recovery theater and hero moments while the boring middle of the journey rots. McKinsey's own research undercuts the framing: across industries, performance on the whole journey is 30 to 40 percent more strongly correlated with customer satisfaction than performance on individual touchpoints, and 20 to 30 percent more correlated with business outcomes (McKinsey, From touchpoints to journeys). Customers rarely experience one defining moment; they experience an accumulation, and a brilliant save can't offset a journey full of friction.