Will supply chains become demand chains?

In the 1950s, a Toyota engineer named Taiichi Ohno became fascinated by the American supermarket.

What caught his eye was the shelf. A customer took what they needed. The store restocked only what was taken. Nobody guessed. The empty space on the shelf was the signal.

Ohno took that idea back to the factory floor. Instead of building parts on a forecast and pushing them downstream, each station would pull only what the next one used. Little cards, called kanban, carried the signal. It became the backbone of the Toyota Production System, and eventually of lean manufacturing everywhere.

A supply chain pushes. A demand chain pulls.

What's the pattern?

Here's what I wrote in 2014, and again in Bitcoin Pizza: we're moving from complex, globalized supply chains to simplified, localized demand chains. On demand. Modular. Local.

For most of the last century, that was only possible inside one company's factory. The rest of the chain still ran on forecasts, oceans, and warehouses full of stuff nobody had asked for yet.

What's different now is that the signal can travel the whole chain. The purchase, the reorder, the empty shelf: that data can reach the factory, the supplier, and the supplier's supplier, in something close to real time. And production itself is getting smaller and closer: small batches, regional plants, on-demand printing of parts.

It's Ohno's shelf, stretched across the world.

The pattern underneath is one I see in every era. The first version of a technology centralizes. The mature version distributes. Mainframes became laptops. Power stations are becoming rooftops. Factories are becoming networks.

What should leaders do now?

So, three things.

Start from the order, not the forecast. Pick one product line and ask: what would it take to make this only after someone wants it?

Shorten one chain. Not the whole company. One product, one region, one supplier closer to the customer. Learn what breaks.

And make trust portable. A demand chain only works if every link can see and believe the signal. Provenance, shared data, verifiable records: this is the work I did at Chronicled, and it's the unglamorous part that makes the rest possible.

We've watched supply chains buckle more than once in the last few years. That wasn't the end of global trade. It was the pull signal, arriving the hard way.

If you only made what was already wanted, what would you stop making tomorrow?

Related: When your customer is a bot, what is a brand?

Sam Rad, The Change Futurist. Keynote speaker on change, transformation, resilience, and AI adoption. Author of Radical Next. Book a keynote