"This book examines different ways with citizen engagement in the local policy process, with citizens as sensors, with new technological approaches to open digital mapping, and how these e-tools augment participatory planning processes. It also deals with different aspects of data generation and...

Introduction: a moment of opportunity and challenge -- The networked information economy -- Some basic economics of information production and innovation -- Peer production and sharing -- The economics of social production -- The political economy of property and commons -- Individual freedom:...