Julie Cohen, Georgetown University Law Center, on fair use doctrine of copyright law and the standard for how consumers can use copyrighted content, especially for criticism and commentary. How does this relate to the analysis and commentary of Intelilinks? She said fair use could involve for example, compiling and analyzing copyrighted visual images to create a visual search engine, transferring a song from a CD to an MP3 player or compiling film clips to create a multimedia presentation for a school assignment.