This isn't really a comment on the whole article, but instead on that top point about the fire hydrants. In that sort of situation, I think this is just something that shows a lot about human nature. Not so much the power of code, but instead the power of easily and quickly getting people information about how they can improve the world around them. I'd assume most people are willing, able, and probably would go out and "fix/check" a utility near them, if they had the instructions and the authority. With these apps, people can get fast easy knowledge, the authority to do them, and the knowledge that it needs to be done. I have a feeling that it is easy access to those things that stop a lot of people from doing good deeds. How often do you walk by trash and not pick it up because it feels wrong, or it feels like you are stepping on other's authority/screwing with other's property? How often do you not fix a handle by screwing it back in or similar?