Enter the Illuminator, a New York-based art activist collective, whose shifting membership has mastered the legal grey zone that regulates projection in public.

[...] the Illuminator takes the normally stationary technology out of the classroom and onto the streets, affixing a high-powered, 12,000-lumens projector atop a van — or, when special nimbleness is required, a trolley — to ignite urban façades with political statements that are as bold as they are temporary. — Urban Omnibus

Protestors against low-income housing demolition are not just fighting for their homes, but often for their ability to stay in London at all. The small amount of “affordable” housing being discussed as a replacement is really a figleaf. — citylab.com

For if there is one abiding historical certainty it is that, eventually, things change. And they can be made to change. There is no such thing, however, as a revolutionary architecture. Nor does history ever simply start from scratch. Instead, post-revolutionary questions can be posed in advance to infrastructures that already exist.... to reinvent what used to be called housing, schools, hospitals, factories, and farms in a way that asks: What else must change for these changes to be possible? — Places Journal