"Launched in 1981 by the University of Sussex as a rebirth of the original 1937 Mass Observation, its founders' aim was to document the social history of Britain by recruiting volunteers to write about their lives and opinions. Still growing, it is one of the most important sources available for qualitative social data in the UK. This collection consists of the directives (questionnaires) sent out by Mass Observation between 1980 and 2010 and the thousands of responses to them from the hundreds of Mass Observers."