What is Public service announcement?
A '''public service announcement''' ('''PSA''') is a message given to the public about issues without charge. The goal is raising awareness of, and changing public opinion towards, a social issue. In the UK, they are generally called '[[public information film]]s' (PIFs). They became popular during [[World War II]].<ref>{{Cite web|url=http://www.sff.org.au/films-container/a-warning-to-travellers/|title=A Warning to Travellers|access-date=2013-11-20|archive-url=https://web.archive.org/web/20131202230522/http://www.sff.org.au/films-container/a-warning-to-travellers/|archive-date=2013-12-02|url-status=dead}}</ref> ==References== {{reflist}} {{stub}} [[Category:Advertising]]