They are an extreme and idiosyncratic form of temporary organization, designed to thrive in climates of radical change and grounded in a unique historical context.  ...  Units, which cluster around London and are active for less than a year, manufacture pre financed films such as Four Weddings and a Funeral and The Crying Game.  ...  `organizational learning', which is an aspect of the `learning organization', is seen as a descriptive or heuristic device to explain and quantify learning activities and events.  ...