Brock Shinen, an intellectual property and entertainment lawyer, has written that tweets could rarely, if ever, be protected, largely because they trade mostly in facts, which do not fall under copyright.
The use of MP3 files falls under United States copyright law, and the recording industry group says that Napster contributes to copyright infringement.
Prince appealed, arguing that his work fell under U.S. copyright law's fair-use exemption because of its "transformative" nature.
The books were published before 1923, and therefore do not fall under the copyright dispute that pits Google against interests in technology, publishing and the public sector that oppose the company's plans to allow access to the full corpus.
This falls under fair use, where copyrighted material may be used without permission in limited amounts for certain circumstances.
"We believe this falls under the fair use' provisions of copyright law," Krikorian says.
If serious "1984 -style trouble does arrive, Mr. Lesk said, it might come as "all Internet information falls under the control of either governments or copyright owners".
The AP subsequently accused the artist of copyright infringement; Fairey maintained that the use of the photo falls under fair-use laws.
But this time, instead of debating whether Google infringed on Oracle's copyright when it used the Java APIs in Android, the two companies are arguing over whether Google's coding falls under fair use.
