professor aufderheide, what is fair use? >> the right to use other people's material without permission under some circumstances. >> host: where did that term come from? >> guest: it's part of law and it's been a part of the common law since 1841. and as a copyright act since 1976. >> host: what's an example of fair use today? >> guest: it is done by students everywhere when they quote a scholar or an encyclopedia or her wikipedia or any other source. they get to use it as a result of fair use. journalists do it everyday when they say the think-tank report said this no, actually sourcing doesn't have anything to you do it fair use although it is a polite thing to do to give credit to people, but many examples you never need to give credit to be within the copyright law. you would make people upset if you did it frequently. any kind of collage and artist makes uses materials from the front places and doesn't necessarily site it. documentarian's use copyrighted material inevitably all the way through their work because the wor

. >> host: interview, professor aufderheide, is that french choreographers current in calling out beyoncÉ >> guest: from a legal give, he may or may not have time to ground. i'm very proud to have written this book with my colleagues who also teaches at her school and who is between the two of us a person who can speak authoritatively on the law. what i can speak about is custom and what the law, millet permits in the application of fair use and have defined fair use. so is the choreographer rate? it doesn't matter for my example because my example is you have a right to you beyonce sawyer. the french choreographer making an argument about french thought we don't have to worry about the legal issues. she raised this point, creates a moment when i want to say something about beyonce and don't figure out who her agent is to do this. but i have a right to make that comment. in fact, the law is designed to encourage me anyway it can to make new culture. the law says in part, we're going to provide you a perk. if you make the culture come you cannot cannot fully rates for a while. and those wh