Abstract: According to the first aspect, the present invention provides a music distribution method for downloading, in response to a request from a user, music data for one or more musical pieces included in the latest hit charts from a server storing a lot of music data, comprising the steps of determining whether music data to be downloaded from said server are already stored in a terminal of said user, and downloading, from said server to said terminal, only music data that are not stored in said terminal.

Abstract: Tracking products to be recalled to find the product serial number of a defective product and the faulty parts or process that caused the defect. Data is collected by tracing selected parts (TP) and stored in databases. A trace engine consults the process definition DB to identify a process in which the faulty parts were used, the TP history DB to determine the transit time at which the TP used in the product in question passed through the process, the process control DB to identify the TP-IDs of the other TP that passed through the process in the same time frame as the transit time determined, and the TP history DB to determine the serial numbers of all products using the TP.

Abstract: The present invention provides a technique for simplifying consumer user registration of a product. A removable memory is provided by a manufacturer with a consumer device, such as an electrical appliance, that needs registration for warranty purposes, etc. The memory includes predetermined information, such as consumer information. Later, when a consumer purchases the electric appliance, the removable memory M is mounted in the electric appliance, and the information from the electric appliance is written into the removable memory. The information written into the removable memory is transferred to the manufacturer, employing a portable telephone terminal, a home gateway, or the like, thereby completing the user registration process.

Abstract: Consumers request a delivery company to regularly deliver commodities at predetermined intervals by utilizing the Internet. The consumers can appropriately change the delivery intervals by utilizing the Internet. Prices of commodities can be lowered by utilizing a home delivery service system and limiting delivery units. The consumers can purchase an appropriate quantity of commodities that matches with their amount of consumption by adjusting the delivery intervals.

Abstract: According to the first aspect, the present invention provides a music distribution method for downloading, in response to a request from a user, music data for one or more musical pieces included in the latest hit charts from a server storing a lot of music data, comprising the steps of determining whether music data to be downloaded from said server are already stored in a terminal of said user, and downloading, from said server to said terminal, only music data that are not stored in said terminal.