The company specializes in technology that protects the copyrights of digital content by preventing illegal copying.

No attempt was made to prevent copying of the game disks.

Generally they claim that digital rights management is meant to prevent copying of the e-book.

It is working to set a standard for digital distribution of music that will prevent unauthorized copying.

Feelies are one way to prevent copying of a game, if they include information needed to play the game.

This would prevent large-scale copying by commercial pirates but not restrict consumers.

But the industry has also stuck with the idea of some kind of digital control to prevent wholesale copying of musical tracks.

Q. Will there ever be an effective way to prevent digital copying?

It is used to prevent copying of objects at function calls or with the copy-initialization syntax.

To prevent illegal copying, Sony has not made blank discs available for sale.