http://www.netvouz.com/rocketscientist/tag/valves?feed=rss rocketscientist's bookmarks tagged "valves" on Netvouz http://www.youtube.com/watch?v=Wb7aDZeO_MQ Portal Demonstration from Valve's EA Summer Media Event technology bookmarks > Summer Portals rocketscientist Tue, 13 May 2008 19:36:53 GMT