The ethics of inattention: revitalising civil inattention as a privacy-protecting mechanism in public spaces.

Societies evolve practices that reflect social norms of appropriateness in social interaction, for example when and to what extent one should respect the boundaries of another person's private sphere. One such practice is what the sociologist Erving Goffman called civil inattention-the social norm of showing a proper amount of indifference to others-which functions as an almost unnoticed yet highly potent privacy-preserving mechanism. These practices can be disrupted by technologies that afford new forms of intrusions.