Most interview offered a generally inclusive view of the formals of materials that might comprise these subject groups. Some interviewees remarked on a shift from print to digital : for example, A2 observed that “it used to be that… you’d be seeking to digitize the paper word whereas now the paper world paper world is a world is a route into building up your digital world.” L14 identified a potential place for social media sources within a collection, including organizational Twitter feed and blogs. Other also identified these types of material as information sources of increasing significance. Personal networks were cited as significant sources of information by all social enterprise interviewees, both academics and both policymakers; together with the use of social media sources , this seems to support the idea expressed by Bill Drayton that “people understand this field by anecdote rather than theory ” (Bornstein,2007, p.120)