Get StartedIt is usually to your advantage to license copies of your software rather than to sell copies. United States copyright law allows the owners of the physical objects that contain copyrighted material, for example, books, compact discs, or floppy disks or CD-ROMs containing a computer programs, to resell the physical objects that they own. This phenomenon explains the legality and proliferation of used book and used compact disc stores. Unfortunately for the copyright owner, each sale of a used book or CD potentially represents a lost sale that the copyright owner might have been able to consummate with the consumer. By licensing the software rather than selling a physical copy to the user, the user does not "own" a copy of the software, and the copyright owner is able to prevent