On April 18, 2016, The United States Supreme Court denied a petition for certiorari (refused to review the lower court's ruling) in the case of Authors Guild v. Google, Inc., 804 F. 3d 202 - Court of Appeals, 2nd Circuit 2015.

That case let stand the ruling of the Court of Appeals which can be found at the following website:

https://scholar.google.com/scholar_case?case=2220742578695593916&q=Authors+Guild+v.+Google+Inc&hl=en&as_sdt=4000006

https://www.authorsguild.org/wp-content/uploads/2014/10/Authors-Guild-v.-Google-Petition-no-appendix.pdf

Please give a word summary of fair use as this court decision says it.