Public Knowledge, in a blog post, called the decision "a big win for the public interest, students, libraries, retailers, and consumers of all sorts who will be protected by this decision."
"We were almost in a situation where anyone that held a garage sale or loaned a book to a friend could be in violation of copyright law," Public Knowledge added.
Grant Gross covers technology and telecom policy in the U.S. government for The IDG News Service. Follow Grant on Twitter at GrantGross. Grant's e-mail address is email@example.com.