Abstract: A customer computer receives, through radio communication, from a computer of a product or service provider (a provider), items of personal information necessary for member registration. Then, the customer computer extracts, from a storage device storing personal information for the customer in advance, customer personal information corresponding to the items of personal information received from the computer of the provider, and transmits the extracted personal information to the computer of the provider. Thereafter, the customer computer receives, from the computer of the provider, member identification information and stores the member identification information. Therefore, customer can transmit/register personal information to a product or service provider, without repeatedly writing or entering the same data.

Abstract: The present invention provides a technique for enabling customers to register themselves for product or service providers without tiresome procedures. A customer computer receives, through radio communication, from a computer of a product or service provider, items of personal information necessary for the member registration. Then, the customer computer extracts, from a storage device storing personal information for the customer in advance, personal information for the customer which corresponds to the items of personal information received from the computer of the product or service provider, and transmits the extracted personal information to the computer of the product or service provider. Thereafter, the customer computer receives, from the computer of the product or service provider, member identification information and storing the member identification information in the storage device.