1————————/123/Lakhani&vonHippel20032/e-Bay——childrenfacingillness.com/DellarocasAwad&Zhang2004•PaulDavidDavid1992Dasgupta&David1994David1998Merton1973Foray2004ICTMachlup19623R&DR&DWeber2004pp.72-734Nelson1993Poter1991pp.89-90p.93AT&TAT&TvonHippel197719885CADABWrightSCOTPinch&Bijker1987Bijker19952070SSTSSTSSTSSTHorwich1982Pinch&Kline1996pp.774-775SCOT•6Brown&Duguid1991Wenger1998Muniiz&O’Guinn2001NewtonMuniz&Schau2004Antorini200580vonHippel1976577Shah2000LettlHerstatt&Gemunden2004Hienerth2004Utterback&Abernathy19758