2- Copyright Advisory Network
3- Center for Social Media
4- Copyright Confusion
This is an awesome wiki that is teeming with tips and guidelines on the fair use of online resources and copyrighted materials .
5- Creative Commons
This is where you can learn everything about Creative Commons and how you can share and also protect your online resources using the CCs.
This is a must read page about the implications of copyright issues when using technology in the classroom with our students.
7- Teachers First