| 摘要 |
A content-carrying device, such as, for example, a hardcopy of a photograph, a compact disk (CD) containing music selections, a case that contains the CD, a digital video disk (DVD), a case containing a DVD, etc., has a key device of some type in or on it, such as, for example, an electronic, magnetic, or optical key, which associates the content-carrying device with other content not held on the content-carrying device. Dissementation of the content-carrying device to a recipient enables the recipient to access other related content via the information programmed into the key device secured to the content-carrying device.
|
