In the decades before the internet, magazine subscriptions were one of the largest direct-sales businesses in America.

By the middle of the 20th century, magazines had become a central part of American life. Titles like Time, Life, Reader’s Digest, Look, Sports Illustrated, National Geographic, and Better Homes & Gardens reached millions of households every month. In 1954 alone, Reader’s Digest had a U.S. circulation of more than 13 million copies. Life magazine regularly reached over 20 million readers during its peak years.

For publishers, subscriptions mattered enormously. A loyal subscriber was predictable revenue, but more importantly, high circulation numbers allowed magazines to charge advertisers more money. The larger the audience, the more valuable each page of advertising became.

That demand created an entire sales ecosystem.

By the 1950s and 1960s, independent subscription sales agencies were operating across the country. Some focused on direct mail campaigns, but many relied on door-to-door sales crews made up largely of teenagers and young adults. Publishers outsourced aggressively. The crews handled the selling while the magazine companies handled fulfillment and printing.

Here’s how the business was structured: crews bought subscription packages at wholesale rates and kept the difference as commission. A rep selling a two-year subscription to Sports Illustrated or Newsweek might only keep a portion of the sale, but volume made the model work. Managers pushed reps to knock on as many doors as possible.

Entire companies formed around the practice. Organizations like Southwestern Company became famous for sending college students door-to-door each summer selling educational books and subscriptions. Other traveling crews were far less formal. Vans of young salespeople moved city to city, staying in cheap motels while managers mapped out neighborhoods each morning.

Reps were taught how to approach homes, how to stand at the door, how to avoid sounding nervous, and how to keep a conversation alive long enough to make a pitch. Many used emotional hooks. Some claimed they were competing in scholarship programs or sales contests. Others leaned on patriotism, education, or supporting young workers trying to “get ahead.”

By the 1970s and 1980s, magazine crews had become a recognizable part of American suburbia. Publishers were locked in circulation wars, and subscriptions were everywhere. Consumers signed up for magazines at shopping malls, grocery stores, over the phone, and at their own front doors.

The business also developed a darker reputation.

Investigations over the years uncovered crews operating under misleading pretenses, withholding commissions, or recruiting vulnerable young people into exhausting travel schedules. In 1971, Congress passed the federal “Cooling-Off Rule,” giving consumers three days to cancel certain door-to-door sales purchases, partly in response to aggressive in-home selling tactics that had become common across industries, including magazine subscriptions.

By the 1990s, the economics started changing. Cable television fractured audiences and advertisers found new places to spend money. Then the internet arrived and completely altered the subscription business.

Publishers shifted toward websites and digital advertising. And print circulation declined sharply. Newsweek ended its print edition in 2012 before later relaunching it in limited form. Life magazine had already ceased weekly publication decades earlier. Hundreds of smaller magazines disappeared entirely.

The sales crews faded with them.

Door-to-door subscription selling still exists in small pockets today, but the industry no longer occupies the place it once did in American culture. For decades, though, it served as an unlikely training ground for young salespeople. Thousands of reps learned cold approaches, objection handling, persistence, and rejection recovery while standing on strangers’ porches trying to convince them they needed another magazine in the mail every month.

The business disappeared slowly enough that most people barely noticed. One year the neighborhood kids were selling magazine subscriptions. A few years later, the magazines themselves were disappearing too.