Have a Seat is a very simple and generous gesture towards reclaiming public space in Williamsburg (Brooklyn). During the night the artist affixed a dozen “seats” to the "no parking" and "stop" sign posts implanted in the sidewalk (map of the seats).

from wiki on - Psychogeography is "the study of specific effects of the geographical environment, consciously organised or not, on the emotions and behaviour of individuals," according to Guy Debord's Introduction to a Critique of Urban Geography.