Patent ID: 8484093

Claim:
A method of supporting a buyer's computer, the method comprising: receiving, by a multi-seller system, first sales data from a first seller's computer to support sales of a first product on a first sales portal of the first seller; receiving, by the multi-seller system, second sales data from a second seller's computer to support sales of a second product on a second sales portal of the second seller; assisting, by the multi-seller system, in storing the first sales data and the second sales data in a database, the database storing a plurality of other sales data that supports sales of a corresponding plurality of other products; responding, by the multi-seller system, to the buyer's computer by accessing the database to retrieve and deliver at least portions of the first sales data and the second sales data to the buyer's computer; and responding, by the multi-seller system, to buyer selection data received from the buyer's computer by associating the first sales data and the second sales data with a single virtual shopping cart.