See http://www.smh.com.au/articles/2004/06/02/1086058889577.html
In the 19th and 20th Centuries the struggle was over the ownership of capital means of production. In the 21st Century it is increasingly clear that the struggle will be over the right to use ideas. George Monbiot has written some thought provoking articles on this - see for example http://www.guardian.co.uk/globalisation/story/0,7369,665969,00.html Tim C
