Patent ID: 8239254

Claim:
An advertisement distribution system, comprising: a first storage device as a rental storage unit rented to a user at a user site, where rental charges incur for use of the first storage device; a display apparatus that displays information stored in the first storage device; and a second storage device provided at a site other than the user site, and connected to the first storage device via a network, wherein the first storage device includes: a first storage unit that stores content including user-created content which is created by a user who uses the first storage device; a second storage unit that stores content-related information that relates to content extracted when the content is stored in the first storage unit; a third storage unit that stores ad data transmitted from the second storage device; a transmission unit that transmits the content stored in the first storage unit and the content-related information stored in the second storage unit, to the second storage device at a predetermined time, a setting unit that allows user-setting of percentages of data area sizes for the first storage unit and the third storage unit, in comparison to a total size of the first storage device; and a processing unit that calculates a discount price from a preset rental charge for the first storage device, based on the percentages set by the user, and calculates a reduced charge after subtracting the discount price from the rental charge; wherein the second storage device includes: a fourth storage unit that stores ad data; a fifth storage unit that stores the content transmitted by the transmission unit; a sixth storage unit that stores the content-related information transmitted by the transmission unit; and an ad provision unit that selects ad data suitable for the content-related information corresponding to the content, from the fourth storage unit, and transmits the selected ad data to the first storage device, and wherein the display apparatus includes a display unit that displays, when displaying the user-created content created by the user and stored in the first storage unit, subject ad data from the ad data stored in the third storage unit.