00415nas a2200109 4500008004100000245007300041210006900114300001000183490000600193100002100199856008500220 2009 eng d00aDemocratizing Innovation: the Evolving Phenomenon of User Innovation0 aDemocratizing Innovation the Evolving Phenomenon of User Innovat a29-400 v11 aVon Hippel, Eric uhttps://dev7.lt.org/democratizing-innovation-evolving-phenomenon-user-innovation