Patent ID: 8606646

Claim:
A method of selling one of a plurality of offers to at least a first user of a web site that assists in matching users of the web site to one another, the method comprising: receiving: information about the plurality of offers of a product or service that users may share, including a price of each of the plurality of offers; an identifier of the first user and each of the at least one second user; and an identifier of the one of the plurality of offers that the first user will propose sharing with at least one of the at least one second user whose identifier is received; and wherein at least one of said identifiers is received from the first user; providing via a server computer system that is used to communicate with the first user and at least one second user, at least one proposal from the first user to each of the at least one second user to simultaneously share with the first user in consumption of the product or participation in receiving the service that is the subject of the one of the plurality of offers at a time after any acceptance of the proposal; receiving, at the server computer system, from at least one of the at least one second user, an acceptance of the proposal received by said second user; and responsive to the acceptance received at the server computer system, charging at least one of the users in a group comprising the first user and the second user from which the acceptance was received, the price for the one of the plurality of offers.