...the assessment of psychological drift, that is the way in which an undirected pedestrian tends to move about in a particular quarter of the town, tending to establish natural connections between places, the zones of influence of particular institutions and public services, and so forth. It may well be objected that these techniques are un-scientific, disorderly and too subjective, but the fact remains that the Situationists are studying the actual texture of towns and their relationship to human beings more intensively than most architects and in a more down-to-pavement manner than most town planners.