A radio frequency enabled product identification tag for attachment to an electronic device, media, or optical disc, the tag constructed to enable the use of the electronic device, media, or optical disc responsive to a radio frequency signal; a radio frequency enabled product identification tag for attachment to an electronic device, media, or optical disc, the tag constructed to disable the use of the electronic device, media, or optical disc responsive to a radio frequency signal; radio frequency enabled identification tag for attachment to product packaging, consumer disposables, medical disposables, medical consumables, consumer consumables, consumer products, or medical products; encoded integrated circuit having a radio frequency receiver and coupled to an electronic device, media, or optical disc and having programming for enabling use or operation of the electronic device, media, or optical disc responsive to a radio frequency signal; antenna for connection to a radio frequency product tag that has been modified to enable or disable a product; point-of-sale system comprising an RFID reader and a cooperating set of radio frequency product tags, with each product attached or coupled to a good used for the purpose of identifying the good and selectively enabling or disabling the use of the good responsive to a radio frequency signal; radio frequency identification tag readers for integration with an electronic device, media, or optical disc; theft-deterrent integrated circuit tags.

Product theft deterrence for electronic devices, media, or optical discs using a local, regional, national, or global computer network that selectively enables or disables the operation of the electronic devices, media, or optical discs used for product authentication purposes; providing user authentication services in e-commerce transactions, namely, using a local, regional, national, or global computer network to receive information from a disabled product at a point-of-sale, determining that the product is approved to be enabled