The Economics of Attention: How a Letter Became the Most Valuable Thing You Can Send

In the 1890s, a first-class stamp cost roughly a tenth of a day’s wages for an ordinary worker. Writing a letter was expensive. It took time. It required paper and ink that were not trivial purchases. The postage alone was a small financial decision.

And yet people wrote them constantly. Workers wrote to family in distant towns. Soldiers wrote to sweethearts. Students wrote to parents. Business was conducted, friendships maintained, love declared, and grief shared — all through the slow infrastructure of the post.

By every measurable economic standard, this should not have worked. Letters were expensive to produce, slow to deliver, and limited in content. They were, by modern standards, almost absurdly inefficient.

But here is the thing. In the system of the time, that inefficiency was precisely the point.

The hidden value of friction

Economists have long understood that the cost of producing something carries information. A diamond is valuable partly because it is rare and hard to extract. A handmade watch is valuable partly because the labour of making it is visible in the object.

The same logic applies, less obviously, to communication.

When sending a message was expensive — when it required paper, ink, time, and money — the act of sending one communicated something beyond the words themselves. It said: “I spent real resources to reach you.” The recipient knew this. The gesture carried weight.

Over the past century, the cost of sending a message has steadily fallen to approximately zero. First telephones made voice communication nearly free. Then email removed almost all remaining friction. Then messaging apps made the cost of each additional message effectively nothing.

Economically, this is a triumph. The marginal cost of human communication has collapsed. We can now reach anyone, anywhere, almost instantly, for free.

But there is an unintended consequence, and it is strange.

The collapse of signal

When the cost of sending a message approaches zero, the signal value of sending a message also approaches zero.

This is not an opinion. It follows directly from basic signalling theory. The value of any signal is proportional to how costly it is to produce. If anyone can do it for free, then doing it proves nothing.

Consider the following experiment, which you can run in your own head.

Someone you haven’t spoken to in ten years sends you a one-line “happy birthday!” text. How much does it mean to you? Probably something small. You note it, you appreciate it, you might reply with an emoji.

Now consider the same person sending you a handwritten card, with a short note inside, delivered through the post. The words might be nearly identical. But the meaning is completely different. You pause. You read it twice. You might even keep it.

The content is nearly the same. Only the cost of production has changed. And the cost of production, it turns out, was carrying almost all the meaning.

The modern paradox

This creates a strange modern paradox.

In a world where everyone can send unlimited messages for free, the most valuable thing you can send is almost always the one that cost you the most to make.

A handwritten letter costs perhaps ten minutes of your time and a stamp. In pure economic terms, this is almost nothing. But in signal terms — in the actual communication of care, attention, and regard for the recipient — it is now one of the most valuable things a human being can send.

This is why, across industries where relationships genuinely matter — wealth management, executive coaching, high-end hospitality, certain kinds of consulting — handwritten notes have made a quiet but unmistakable comeback. Not out of nostalgia. Because they work, and because almost nothing else does.

The arithmetic for anyone who sends anything

Think about the full set of things you communicate to other people in a given week. Emails, texts, DMs, calls, voice notes, video messages, social media posts.

Now ask yourself: how many of these will be remembered by the recipient in a week? In a month? In a year?

For almost all of us, the answer is: almost none.

And this is not a failing of the recipients. It is the predictable result of the system itself. In a world of infinite cheap messages, individual messages cannot, by definition, carry much weight. The entire volume of our modern communication is designed to be forgotten.

If you want to send something that will be remembered, you must deliberately step outside the system that ensures forgetting.

The most reliable way to do that is also the oldest. You write by hand. You put it in an envelope. You walk it to the post. You send it slowly, through infrastructure that nobody is in a rush to maintain, to a person who did not expect it.

And they remember.

A quiet community putting this into practice

A small online community has formed around this quiet rediscovery. People who have noticed the strange economics of modern attention, and decided to rebuild a practice that works. The community is called The Postal Club, and it lives at thepostalclub.com.

It offers what you might expect: a directory of fellow writers, a daily prompt to help beginners, and a shared understanding that the slow medium carries what the fast medium cannot.

Joining is not required. The infrastructure of the practice is centuries old and still works perfectly well without a membership.

The question that remains

If this analysis is even half right, then most of us have been investing our communication budget in exactly the wrong places. We send hundreds of cheap messages that are forgotten by the evening, while almost never sending the one expensive message that would still be remembered in a decade.

The question for anyone who wants their communication to actually matter is this.

If the value of a message is now proportional to the cost of sending it — and if the cheapest message is now worth almost nothing — then are we communicating at all, most of the time? Or are we just participating in a ritual that looks like communication while actually guaranteeing that nothing we send will be remembered?

And if that is true, which one message will you deliberately make expensive this week — and who will you send it to?