AI is the new steel box.
Most firms are still optimising cranes.

A coordination layer is a standard interface that lets disparate systems align without forcing each of them to change first. The container did this for global trade - every ship, train, truck, and port now coordinated through a single steel box and a single contract. Nothing about the underlying transport had to change. The layer made them interoperable.

Capability gains are linear. A 20% faster crane gets you a 20% productivity bump and nothing else. Coordination gains are non-linear. A coordinated supply chain restructures which factories exist, which cities thrive, which products get made, and which jobs the economy needs. The same tonnage, moved through a different architecture, produces a different world.

AI is the first technology that can coordinate across fragmented systems without requiring everyone to agree on a standard first. It reads unstructured inputs, builds shared representations on the fly, and drives aligned action across actors who never sat in the same room. That's the container of the knowledge economy. Read it as a faster tool and you're optimising port turnaround in 1955.

In April 1956, Malcolm McLean loaded 58 standardized steel boxes onto a converted WWII tanker, the Ideal-X, and sailed them from Newark to Houston. At the time it looked like a logistics tweak - faster loading, less handling, slightly cheaper shipping. Nothing earth-moving.

The breakthroughs that mattered weren't the box. They were the single bill of lading - one contract spanning ship, rail, and truck - and the standardized dimensions, forced through during the Vietnam War's logistics crisis when the U.S. military bet its supply chain on containers. Once those two things locked in, every port, every railway, every trucking firm had to conform to the same interface to be part of global trade.

What came next was a cascade. Just-in-time manufacturing became possible because shipping had become predictable. Factories migrated to wherever labour was cheapest, because distance to the customer no longer mattered. Supply chains stretched across continents. Liverpool - once the world's second-busiest port - collapsed because it couldn't adapt its dock infrastructure. Singapore, which had nothing in 1960, became the busiest port on the planet within thirty years.

The dock workers worried about cranes taking their jobs. The actual outcome was that entire ports lost their reason to exist. Reading the change as automation missed it entirely.