Several submissions have shown concerns that Creative Commons licencing is potentially harmful. While there is work under way to broadly analyse the Intellectual Property barriers to open licencing, a specific statement about the real risks of open licenses to government information (if any) and how to still achieve openness despite them is required.
I don't know if you're only looking for Federal examples, but one best practice example of Web 2.0 use at a local government level we noticed a few months ago is the Mosman Municipal Council. You can see our full post about it here: http://creativecommons.org.au/node/255 and a case study here: http://wiki.creativecommons.org/Case_Studies/Mosman_Municipal_Council. But in summary, they've published a community engagement ...more »