I Stopped Sitting at a Computer. Here’s What I Do Instead.

For three decades, “using a computer” meant arranging my body in front of one. Now the computer is a process I start with a sentence and check with a tap, from wherever I happen to be standing. The desk didn’t go away. The work left it.

The computer left the desk

The Thin Surface

There’s a physical change underneath the cognitive one. I no longer sit in front of a computer to work. I set the frame from a phone, on the move, and the execution happens somewhere I’m not.

The agent is becoming the computer. The old definition was a box you sat at — an app, on an operating system, on a chip, operated through a screen. The new definition: an agent is a brain (the model) plus a body (the harness) plus a runtime — wherever the work actually runs. The runtime is the part that matters, because by definition it isn’t your desk.

The pattern: When the interface becomes intelligence, the human’s surface shrinks to two interactions — frame-in and gate-out — that fit any device and untether the work from the desk. The harness runs remote; you carry the handle.

Two Acts Remain

What remains for the human collapses to two acts, and both are light enough for any device:

Frame In

Set the goal, constraints, and success criteria

A sentence from anywhere

Gate Out

Approve, reject, or redirect the output

A tap clears the gate

Neither needs a workstation. A phone does it now. The next surface won’t even be a phone — it’ll be some AI-native object closer to an always-on personal assistant than a PC. The screen shrinks because the work it used to hold moved off it.

My Life in the Harness

Business Engineer

My Life in the Harness — The Full Piece

Six mental models, seven harness principles, and the complete framework for working in the agent era. See how the harness actually runs — and get access to build your own.

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The Bottom Line

I didn’t leave the desk on purpose. The work left, and I followed it. For three decades, “using a computer” meant sitting in front of one. Now it means setting a frame and clearing a gate — from wherever I happen to be standing. The strange part is how natural it feels.

Source: Business Engineer — My Life in the Harness

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