Microsoft CEO Steve Ballmer has <A HREF="http://hardware.silicon.com/servers/0,39024647,39122181,00.htm">criticized the lack of innovation in open source</A> software and accused the community of merely trying to "clone" commercial software. Speaking at Microsoft's Worldwide Partner Conference in Toronto today, Ballmer admitted that open source is "keeping us on our feet" but, describing himself as a caged animal on the topic, he said Windows is the safe technology bet for customers and partners today.