The concept and terms have been used, since 2004, as a descriptor for an emerging sociological and economic trend of "people pursuing amateur activities to professional standards", as described by Demos, a British think tank, in the 2004 book The Pro-Am Revolution co-authored by eclectic writer Charles Leadbeater.
Amateur professionalism, a socio-economic concept of amateur output of professional quality
amateur | Amateur Athletic Union | amateur radio | Amateur wrestling | The Original Amateur Hour | The Amateur Championship | Victorian Amateur Football Association | England national amateur football team | Amateur radio | Amateur boxing | Amateur | World Amateur Bodybuilding Championships | Men's Asian Amateur Boxing Championships | amateur wrestling | amateur radio operator | Amateur press association | Amateur Boxing Association of England | 2002 Women's World Amateur Boxing Championships | Western Amateur | U.S. Women's Amateur | United States Women's Amateur Golf Championship | United States national amateur boxing championships | The Amateur Scientist | Northern Amateur Football League | Irish Amateur Boxing Association | International Amateur Radio Union | Global Amateur Radio Emergency Communications Conference | Federal Amateur Hockey League | European Amateur | Championnat de France amateur 2 |