device 12 5 reproduces data from the read only area 16 1 or the writeable updateable area 16 2 of the optical disk 16 or records the updated edited data received through the network interfacing device 12 1 on the writeable area 16 2 of the optical disk 16 in the read only area 16 1 of the optical disk 16 non erasable read only data is written as found in a compact disk read only memory cd rom or a digital versatile disk read only memory such as dvd rom in the writeable area 16 2 data is erasable or writeable as found in rewriteable compact disks such as cd rw or rewriteable digital versatile disks such as dvd rw further while not shown it is understood that the writeable area 16 2 could be or have a writeable area that is not rewriteable is found in optical disks such as cd r or writeable digital versatile disks such as dvd r such a writeable area might be used to permanently a user 39 s personal information purchase records or other information that is written once to the optical disk 16 and needs to be permanently stored a contents vendor provides the optical disk 16 to the user the optical disk 16 can include contents other than commodity information such as karaoke an encyclopedia navigation information music software where.