El software obert necessita els autors del software privatiu <a href="http://mapbrief.com/2012/04/05/the-profit-motive-why-geospatial-open-source-needs-more-naked-commercial-interest/">http://mapbrief.com/2012/04/05/the-profit-motive-why-geospatial-open-source-needs-more-naked-commercial-interest/</a><br>
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