Having redesigned a hospital's recruitment process to use Facebook advertising for the more "blue collar" type jobs (porters, support workers, estates type jobs as well as nurses) I can really see this working. We got ridiculous traction in the local area. We were reaching people who had never really thought of a career at their local hospital. But a hospital isn't just doctors. Often with Facebook we didn't actually…
Facebook is used, heavily, by the lower class. Very. heavily.