Book excerpt: Code and the city : introduction / Rob Kitchin and Sung-Yueh Perng -- Code, coding, infrastructure, cities -- From a single line of code to an entire city : reframing the conceptual terrain of code/space / Rob Kitchin -- The internet of urban things / Paul Dourish -- Interfacing urban intelligence / Shannon Mattern -- Abstract urbanism / Matthew Fuller And Graham Harwood -- Code-traffic : code repositories, crowds and urban life / Adrian Mackenzie -- Locative media and mobile computing -- Digital social interactions in the city : reflecting on location-based social networks / Luigina Ciolfi And Gabriela Avram -- Feeling place in the city : strange ontologies and location-based social media / Leighton Evans -- Curating the city : urban interfaces and locative media as experimental platforms for cultural data / Nanna Verhoeff and Clancy Wilmott -- Moving applications : a multilayered approach to mobile computing / James Merricks White -- Exploring urban social media: selfiecity and on broadway / Lev Manovich -- Governance, politics, knowledge -- Digital urbanism in crises / Monika Büscher, Xaroula Kerasidou, Michael Liegl and Katrina Petersen -- Coding alternative modes of governance : learning from experimental "peer to peer cities" / Alison Powell -- Encountering the city at hacking events / Sophia Maalsen and Sung-Yueh Perng -- Semantic cities : coded geopolitics and rise of the semantic web / Heather Ford and Mark Graham -- Cities and context : the codification of small areas through geodemographic classification / Alex Singleton