The imagination space is a construct of what is immediately imaginable given our lived experience so far. Take, for a recurring example, the car. Because of the car it is easy for most folks to plausibly imagine more eco-friendly cars, autonomous cars, even flying cars. The car produces the imaginable future variations of the car within the limits of our futures cone or imagination space. However, these imaginable futures are also confined and structured by the car so that it is much easier to imagine marginal improvements on the car such as making it safer, more environmentally friendly or more efficient than it is to imagine cities without cars.Essay for Yale Architecture Journal Perspecta 54 examining the relationship between imagination and expectation, science fiction and software.