In architecture, to do anything beyond object form is often treated as something extra-disciplinary - something outside the discipline that has nothing to do with art. So I'm making it clear that this is an artistic choice. It's not everyone's artistic choice. Some people should choose only to make object form because that's what gives them pleasure. But there are people for whom aesthetic pleasure comes from doing something else, and why would you deny that choice? It's another autonomous choice.

It's funny how much one learns from context. Throughout that entire visit to Kenya, with all its meetings, there was an experience of the place that taught me things I couldn't learn by reading global newswires. The fact that I learned so much makes me wish that I could visit more places. So many of the zones, of course, are closed, so one knows about them only in secondhand ways. My research has only scratched the surface. There are thousands of zones around the world. There's just so much work to do.

The whole idea of action being a carrier of information is something that comes directly from theater. That's, in some ways, the one thing I've been trying to contribute. I still write things outside of architecture - not really fiction, but not nonfiction. I like dialogue as a form, because the text is only the trace of an action. The consequential information is carried in the action you choose to put on that text.

It wasn't an architect who did this, but if it had been an architect, it would have been a good day's work: there was a marketing person who convinced Walmart that their products sold better in daylight than electric light. It would have been interesting if an architect had deliberately designed this change with all its spatial consequences in mind, thinking about how the change would multiply across all the square footage of all the roofs of all the Walmarts in the world. It would have been a beautiful trick - a physical, practical, political pleasure.

In the context of the kind of infrastructure space I'm looking at, I'm making a very unlikely argument by saying that all the stuff that's repeated, from spatial products to whole cities, which looks so daunting to architects, might be especially empowering. At this moment, it might be harder to make a meaningful object form alone, but easier to make an active form that can piggyback on those multipliers to recondition spaces in a politically significant way.

Rather than asking architecture to be more interdisciplinary - a perennial issue within the discipline - I am suggesting that other disciplines might exploit the powers of architecture and urbanism. When addressing urgent situations, whether it's the depletion of the rainforest or abuse of labor, well-meaning people are working with tools, like standards, that seem like very blunt instruments. I am suggesting that spatial variables that are underexploited in governance might add to that repertoire.

Architects and urbanists are fascinated with cities that are shrinking, like the Rust Belt cities. Or, alternatively, we are fascinated with the growth of favelas and informal settlements. The 2008 financial crisis made these changes more extreme. The subtraction protocols rehearse a way of thinking about multiple properties in counterbalancing interdependence - not just the shaping of one property but the ratcheting interplay between properties.