Fair Use: US Code, Title 17, Sect. 107

Before you use someone else's work without permission, consider ALL 4 of the FAIR USE FACTORS:

1.  Purpose and character of use
  • Commercial or educational use
  • For profit or not
  • Degree of transformation; value added
  • For criticism, commentary, news reporting, teaching, scholarship, research
2.  Nature of the copyrighted work
  • Character of the work (consider factual vs. fiction)
  • Worthy of (extensive) protection?
3.  Amount, substantiality
  • Use only what's necessary
  • Quantity and quality in relation to the whole work
4.  Effect
  • Harm to the market or potential market of a work after a portion has been used separately from the whole