Marketing

The first decades of the twentieth century gave marketing a theory of the mind. Advertising men began borrowing from the new science of psychology, and one figure did more than most to formalize the transfer. Edward Bernays, a nephew of Sigmund Freud, argued in the 1920s that people bought for reasons they rarely admitted to themselves, and that a skilled operator could work on those hidden motives directly. His campaigns are legendary in the trade: he helped normalize women smoking in public by staging a group of debutantes lighting cigarettes as "torches of freedom" during a New York parade, dressing a tobacco pitch as a feminist gesture.

The lesson practitioners drew was that you don't sell the product, you sell what the product lets a person feel or become. A car became freedom, a cigarette became independence, a bar of soap became the good mother's diligence. This is the birth of what would later be called brand — the idea that a product could carry meaning far beyond its function, and that this meaning was itself the thing being purchased. The physical good was almost incidental to the promise wrapped around it.

In 1960, a young marketing professor named E. Jerome McCarthy proposed a framework that would end up in every business-school syllabus for the next sixty years: the four Ps. Product, price, place, and promotion — the four levers a company could pull to move a good into a buyer's hands. It sounds almost trivial now, but its power was in the packaging. It turned a scattered craft into a checklist a manager could learn, apply, and be graded on. Marketing had become a system.

The other governing idea of the era was segmentation. Nobody sells to everyone; the trick is to carve the mass market into groups that share desires and reach each group with the message built for it. Wendell Smith laid this out in the mid-1950s, and the practice hardened over the following decades into the demographic categories that still structure the industry — age, income, region, and the lifestyle clusters with cute names that agencies love. A cereal aimed at children and a sedan aimed at retirees were not competing for the same wallet, and marketers stopped pretending they were.

The internet answered Wanamaker's complaint. For a hundred years marketers had bought crowds and hoped the right person was somewhere inside them; now they could address the person directly. The shift did not change marketing's ambition — it had always wanted to manufacture and steer demand — but it armed that ambition with a precision the poster and the television spot could never offer. The instrument that mattered was no longer the slogan. It was the profile.

The mechanism is quietly radical. When a service is free, the older saying goes, the user is the product being sold — and the arrangement that funds most of the modern web runs on exactly this. Search queries, clicks, locations, purchases, and the pauses between them get assembled into a model of a person detailed enough to predict what that person will want before they know it themselves. Google and Facebook built two of the largest companies in history not by selling anything to their users but by selling access to them, sorted and scored, to everyone who wanted to reach them. The four Ps still exist, but a fifth force now sits underneath them: the data that decides which of the four to deploy, on whom, at which second.

P&G still sells Ivory, and it still floats. But the campaign that built it — a claim, a slogan, a picture in a newspaper aimed at everyone and no one in particular — belongs to a world that has largely dissolved. The soap company that once guessed at its customers from a distance now sits inside an industry that can watch them, count them, and predict them. The distance that mass advertising was invented to bridge has been closed by the very thing that replaced the poster: a continuous record of what each person does.