The tribalizing power of the new electronic media, the way in which they return to us to the unified fields of the old oral cultures, to tribal cohesion and pre-individualist patterns of thought, is little understood. Tribalism is the sense of the deep bond of family, the closed society as the norm of community.
Marshall McLuhan, Michel Moos (2014). “Media Research: Technology, Art and Communication”, p.124, Routledge