This document summarizes a talk on copyright and fair use given at the NTC 2009 conference. It discusses potential damages from copyright infringement each year and copyright terms in different countries. It then explains the four factor test for determining fair use, considering the purpose and character of the use, the nature of the copyrighted work, the amount used, and the effect on the potential market. Examples of fair use like criticism and parody are provided. Credits and information for evaluating the session are given at the end.