FOSS4G 2007 - Opening Plenary, spatialguru Ustream.TV: Opening plenary talks from FOSS4G 2007, September 25th, 2007. Education,Computers,Technology#video#osgeo#foss4g2007·ustream.tv·May 15, 2008FOSS4G 2007 - Opening Plenary, spatialguru Ustream.TV: Opening plenary talks from FOSS4G 2007, September 25th, 2007. Education,Computers,Technology