Copyright and copyleft/references

Content Licences by Lawrence Liang
What is copyright?
What is copyleft?
How can we share culture in a world where everything has a license?
http://pzwart.wdka.hro.nl/mdr/research/lliang/open_content_guide

Useful cyberlaw resources :- http://www.buys.co.za/newsroom_detail_cyberlaw_resources.asp