Abstract:
To provide an advertisement distribution method of determining a distribution destination of an advertisement of a product that has a low direct relevance to execution pieces of information collected from home appliances. The advertisement distribution method includes: a collecting step of collecting, from each of one or more of home appliances owned by each of users, one or more pieces of execution information each indicating a function that has been executed by the home appliance; a detecting step of, with respect to each user, detecting an unused function that has not been used in each home appliance by analyzing the collected pieces of execution information and functions of the home appliance; and a transmitting step of extracting a user who is expected to purchase a product based on a detection result, and transmitting an advertisement to one or more of the home appliances owned by the extracted user.
Abstract:
An information recording and playback apparatus includes an input processing unit that obtains a bonus feature obtaining code for requesting permission to copy content data, a playback control unit that reads a content ID from an optical disc, a communication control unit that transmits the bonus feature obtaining code and the content ID to a copy management server and that receives, from the copy management server, a copy permission condition that is associated with a combination of the bonus feature obtaining code and the content ID and that indicates a condition under which content data stored in the optical disc is copied to another recording medium, and a recording control unit that copies the content data stored in the optical disc to the other recording medium in accordance with the copy permission condition.
Abstract:
A method is provided that includes receiving a command for reading out content from a non-transitory recording medium, and identifying first version information indicating a version of a content copyright protection method. The method includes identifying second version information indicating a version of a protocol used in authentication of the host apparatus, and determining whether the authentication is to be approved or not. The method also includes authenticating the host apparatus according to a result of the determination, reading out medium-specific information, and sending the medium-specific information to the authenticated host apparatus. The method further includes reading out the encrypted content and sending the encrypted content to the authenticated host apparatus, wherein the first version information is identified based on disk information that is meta data stored at a beginning of the recording medium formed in a disk shape in the identifying first version information.