INFORMATION PROVIDING DEVICE, INFORMATION PROVIDING METHOD, INFORMATION PROCESSOR, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To quickly find out desired contents. SOLUTION: An authenticating function 221 authenticates a PDA through a network. A contents database 224 holds the use condition of contents and contents information. A communicating function 225 controls the reception of the use condition of the contents and the contents information transmitted from the PDA. A contents managing function 222 updates the held use condition and the contents information based on the received use condition and the contents information.