The document discusses how cities have moved from scarcity of data to abundance through open data initiatives like Data.gov and sharing of local data. It notes key milestones from 2009 to today in opening up civic data for public use through the power of standards, collaboration, and community involvement. The success of open source approaches and architectures of participation are contrasted with closed systems. The author advocates for leveraging citizen expertise to solve local problems through skills-based matching and online/offline volunteer opportunities.