Reflections on prototyping

No sidewalks is an issue of injustice. There are people out there who have not the means to transport themselves around in an expensive SUV. Even kids are discriminated against: the bus won't pick them up in safety because they live within a mile of the school. Just so happens that the mile stretch they walk to school has no sidewalk and half of that mile is on four lanes of fast moving traffic. What's up with that? Surely that should make you want to get out there and advocate on behalf of the people of that area by means that, woops, might be illegal? We could wait for a hundred years for the city to come around to let us put a sign on the side of the road. Who cares if we go out there now and do it? Who cares if you spray stuff on the road? Who cares if you put a sign up in the wrong place? Who cares? Is anyone caring for the people who have to walk that stretch where there is no sidewalk? Who's standing up for them?