Friday Coffee is the lighter end of the site, but it still circles around technology, work, memory, and change.

These posts are more reflective than technical: a place to step back from architecture diagrams and think about how technology feels when you have lived through several generations of it.

How do you keep up with AI?

A personal reflection on keeping up with fast-moving AI tools without confusing constant novelty with durable understanding.

At 61, AI Gave Me a Second Act

A personal reflection on how AI agents have made ambitious software work feel possible again after decades in technology.

The Billion-Dollar One-Person Business

AI makes one skilled person extraordinarily productive. But a business needs more kinds of judgement than any one person holds, and that is the constraint the hype quietly ignores.

Where Do the Next Seniors Come From?

AI can do the beginner work. That is exactly the problem, because the beginner work is how beginners became experts. Construction already ran this experiment, and the bill arrived decades later.

The Bridge Looked Fine Too

A wonky shelf looks wonky. But the most celebrated engineers have built magnificent structures with fatal flaws nobody could see. Software has always had that problem, and unsupervised AI takes it somewhere genuinely unknown.

The Borrowed Projector

My father already knew his trade in his hands. Becoming a lecturer meant serving a second apprenticeship on top of it — and what he taught me in a darkened living room was never really about roof trusses.