To protect the privacy of information included in a recording area of a user's personal computer by generating a decision regarding a response to a request and automatically implementing the decision regarding the response to the request.

A user's browser 8 stores data in a user's electronic wallet 12 instead of writing the data to the hard disk of a user's personal computer where the browser is installed. The user 6 accesses a web site, whose web site server 2 makes a request to write the data to the storage device on the user's personal computer 4 and inquires the request of the user 6 to determine whether or not the data is received. According to the decision, the transfer of the data to the web site server 2 is automatically performed as a decision regarding the response to the request according to the decision.