lanes of the freeway as states of the union, pick the place where people are acting such that you can be as you'd like. sub- and super-particulate vortexes, handedness of rotation given disposition of lanes and left- or right-hand steering. void dweller, space seeker- partitioning the reality of the situation into fluid categories. view of the traffic as hydrodynamic flow, reforming causality, pushing waves out in front of the active particle.