basically just group psychology
Desire paths are an emergent phenomenon of collective psychologies, not necessarily sociology since the agents are interacting through artifacts left by previous people (the path on the ground)
Swarm behavior is an active sociological practice
Noosphere is kinda a sociological phenomenon, I wonder if sociologists have taken to interest to this?
Brain of the Firm is kinda about sociology in that it's about organizational psychology and the functioning of Organizations in a very mechanical and scientific way