an appropriated video
music "Light Field" by Richard Garet
[Creative Commons] Attribution-Noncommercial-Share Alike 3.0 United States License: http://bit.ly/e9VtF1
Fair use is codified at Section 107 of the Copyright Act.
Under the fair use doctrine, it is not an infringement to use the copyrighted works of another in some circumstances, such as for commentary, criticism, news reporting, or educational use.