Patent ID: 7318036

Claim:
A method of conducting electronic commercial transactions through a communication network, comprising: (a) providing access to a website displaying information representing a plurality of contents and an option to purchase each of said contents with or without a discount; (b) receiving a first signal selecting the displayed option to buy a first content with a discount from the website accessed through the communication network; (c) receiving a second signal selecting at least one second content having an effect of information conveyance, the second content including advertisement information displayed in response to the first signal; (d) combining the first content and the second content into a third content; (e) reducing a price of the first content from a first price to a second price based on the discount computed from selection of the second content; and (f) providing the third content to a buyer in response to payment of the second price, wherein reducing the price includes: reducing the first price to the second price by a predetermined value of the selected advertisement; receiving a third signal selecting another advertisement; and reducing the second price to a third price by an amount equal to less than a predetermined value of the other selected advertisement.