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Flood Fill vs. The Magic Circle

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Transmitted 20260209 · · · 369 days before impact

If you’ve ever used Pho­to­shop or another image editing program, you know the paint bucket tool. Here is its pri­mor­dial form:

The oper­a­tion exe­cuted by this tool is “flood fill”: color stretches out from the cursor, trans­forming every­thing until it reaches an unbroken line of pixels. The first few times I used it, back in the early 1990s, it was thrilling.

Think not of an image, but an economy — a world. And think not of a color, but a process: AI automa­tion. The paint bucket just tipped over onto com­puting programming — click —

There it goes

—and the very live ques­tion is: how far will this flood fill extend?

Into all dig­ital work? Possibly? Probably? And what about other kinds of work, those not yoked to screens and inboxes? One argu­ment goes: the flood is coming for EVERYTHING, as super­s­mart com­puters yield super­good robots yield uni­versal automa­tion.

But this isn’t cor­rect. There is an unbroken line of pixels out there; a firewall; a magic circle.

“Magic circle” is a term drawn from the study of games. It comes from Johan Huizinga; I learned it from Frank Lantz. The idea (in my formulation) is that games unfold in a spe­cial space, phys­ical and/or intellectual, marked off ahead of time, in which action is constrained.

Playing chess, your goal is to knock over your oppo­nent’s king, yet you don’t just reach across and swat it aside. You can do this; nothing restrains your hand. But the point of the game is to play the game. You and your oppo­nent both agreed to that ahead of time.

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