When you look at your phone or tablet, what do you see? Pixels? Pictures? Digital distraction? I see data. Every day, we generate enormous amounts of information, a binary trail of breadcrumbs that forms a map of our interests, habits, and interactions. For those of us in the business of urban planning, these disparate datasets represent a goldmine of opportunity. If harnessed properly, user-generated data can help planners build cities that are more in tune with people’s actual needs.