'Keep Calm and Carry On': The Unlikely Success of a Failed Slogan

 Originally posted at mashable.com by: HENRY IRVING, POSTDOCTORAL RESEARCH FELLOW AT SCHOOL OF ADVANCED STUDY for The Conversation UK IMAGE: JAMIE “Keep Calm and Carry On” is now one of the most recognizable slogans in British history. Its resilient message has become extraordinarily commonplace, with the phrase used to sell everything from mugs to flight bags and baby clothes. An…