Shared Context

You have probably tried to explain what you lost.

A few months before Daniel Kahneman died, Josh Wolfe sat at a dinner with the Nobel laureate and a small group that included Barbara Tversky.

Kahneman had a theory.

As people age, he said, the pain of losing friends decreases faster than the pleasure of food and music. The math of grief has a declining curve. You lose people. It hurts less each time.

Tversky disagreed.

She had buried Amos in 1996. She knew what the model missed.

The pain doesn't soften because you adjust.

The pain stays acute because what you lose isn't a person. It's the only other human who holds your shared context. The shorthand that took decades to build and cannot be explained to anyone new.

Kahneman's model measured the wrong variable.

He measured the frequency of loss; she measured what was actually lost.

Every adoption dashboard makes Kahneman's mistake. It counts what the new tool can do.

It never counts what walked out the door with the person it replaced.

The memory of why you both laughed at that specific moment in that specific room. The look that meant "we survived this before." The compression of thirty years into a single raised eyebrow.

No training set contains that.

What's lost?

it's the only other person who knew why the output mattered.

Go deeper: The Context Flow