Talking with Adam Greenfield about his next work, I though back that I already wrote bits and pieces around the topic of how IT renew the urban experience. The report I called "Augmenting Guy Debord’s Dérive: Sustaining the Urban Change with Information Technology" (.pdf) is a bit old (2003), so the examples are a bit outdated. This is just few notes extracted from a paper I wrote with my colleague Mauro Cherubini called “To Live or To Master the city: the citizen dilemma” (Imago Urbis #2). Why do I blog this? Comments are welcome. I am not happy with the whole thing (bad english, naive ideas and almost no critical stance) but I thought that it would be good to put it online.