CONCEPT
Extra-Logical Engines of Adoption
Tarde's category for the forces that drive imitative propagation beneath and beyond rational calculation — desire, aesthetic response, emotional contagion, social pressure — the actual mechanisms of adoption that cost-benefit models cannot capture.
Tarde identified a family of forces he called extra-logical: the mechanisms that shape adoption through emotion, aesthetic preference, social pressure, and desire, rather than through rational evaluation. These forces are not peripheral to social life but central to it. The developer who adopts Claude Code does not adopt because she has concluded, through careful analysis, that the tool will improve her productivity by a measurable percentage. She adopts because the tool produces a feeling — the feeling of expanded capability, of barriers dissolving, of the gap between imagination and execution closing to the width of a conversation. The feeling is real. It corresponds to a genuine change in her productive capacity. But the adoption is driven by the feeling, not by the measurement. The measurement comes later, as rationalization of a decision already made on extra-logical grounds.
In The You On AI Field Guide
Tarde was explicit about the role of desire in imitative propagation. Desire, for