Utilizing FOIA and some clever software Mr. Chapman quickly identifies a troubled spot for parking in Chicago and gets results!
http://mchap.io/using-foia-data-and-unix-to-halve-major-source-of-parking-tickets.html [mchap.io]
I immediately asked my self three things
1. How much more effective that corner has become?
2. Who's grumbling about the loss of revenue?
3. What would happen if more of us did this very thing?