Most of the triggers for massive social change since the agricultural revolution have been new technologies, as while you may have choices, the choices you have

Most of the triggers for massive social change since the agricultural revolution have been new technologies, as while you may have choices, the choices you have are restricted by the tools available to you. So the introduction of a new set of technologies into a culture can massively alter the social dynamics. The washing machine alone, completely transformed the social landscape of the industrialised countries. When all you have is a hammer...