Introduction: Mobile cities, urban mobilities / Mimi Sheller and John Urry--The linear city : touring Vienna in the nineteenth century / Ulrike Spring--Between the physical and the virtual : connected mobilities? /Peter Adey and Paul Bevan--Urban violence : luxury in made space / Sarah S. Jain--Bypassing and WAPing : reconfiguring timetables for "real-time" mobility/Juliet Jain -- Reshaping patterns of mobility and exclusion? : the impact of virtual mobility upon acesssibility, mobility, and social exclusion / Susan Kenyon--Twin Towers and Amoy Gardens : mobilities, risks, and choices / Stephen Little--From café to parkbench : wi-fi and technological overflows in the city /Adrian Mackenzie--ICT's and the engineering of encounters : a case study of the development of a mobile game based on the geolocation of terminals / Christian Licoppe and Romain Guillot--Permeable boundaries in the software-sorted society : surveillance and differentiations of mobility / David Wood and Stephen Graham.