Page:United States Reports, Volume 545.djvu/1016

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964
METRO-GOLDWYN-MAYER STUDIOS INC. v. GROKSTER, LTD.
 

Breyer, J., concurring

Further, copyright holders may develop new technological devices that will help curb unlawful infringement. Some new technology, called “digital ‘watermarking’” and “digital fingerprint[ing],” can encode within the file information about the author and the copyright scope and date, which “fingerprints” can help to expose infringers. RIAA Reveals Method to Madness, Wired News (Aug. 28, 2003), http://www.wired.com/news/digiwood/0,1412,60222,00.html; Besek, Anti-Circumvention Laws and Copyright: A Report from the Kernochan Center for Law, Media and the Arts, 27 Colum. J.L. & Arts 385, 391, 451 (2004). Other technology can, through encryption, potentially restrict users’ ability to make a digital copy. See J. Borland, Tripping the Rippers, C/net News.com (Sept. 28, 2001), http://news.com.com/Tripping+the+rippers/2009-1023_3-273619.html; but see Brief for Bridgemar Services, Ltd. d/b/a iMesh.com as Amicus Curiae 5–8 (arguing that peer-to-peer service providers can more easily block unlawful swapping).

At the same time, advances in technology have discouraged unlawful copying by making lawful copying (e.g., downloading music with the copyright holder’s permission) cheaper and easier to achieve. Several services now sell music for less than $1 per song. (Walmart.com, for example, charges $0.88 each.) Consequently, many consumers initially attracted to the convenience and flexibility of services like Grokster are now migrating to lawful paid services (services with copying permission) where they can enjoy at little cost even greater convenience and flexibility without engaging in unlawful swapping. See Wu, When Code Isn’t Law, 89 Va. L. Rev. 679, 731–735 (2003) (noting the prevalence of technological problems on unpaid swapping sites); K. Dean, P2P Tilts Toward Legitimacy, Wired News (Nov. 24, 2004), http://www.wired.com/news/digiwood/0,1412,65836,00.html; Madden & Rainie, March 2005 Data Memo, supra, at 6–8 (percentage of current downloaders who have used paid services rose from 24% to 43% in a year; number using free services fell from 58% to 41%).