Patent ID: 7407095

Claim:
A method for conducting a transaction using a cashier-side unit and a customer-response unit, the customer-response unit including a communications link, the method comprising: receiving, via the communications link of the customer-response unit, content for presentation at the customer-response unit during the transaction, wherein the content is unrelated to data essential for completion of the transaction; displaying the content on a display of the customer-response unit, wherein the display includes an indication that a customer can immediately respond to the content by interacting with the customer-response unit; determining whether a customer response to the content is received, the response being transmitted to an advertisement server to collect information about the customer when the response is received, a non-response being generated and transmitted to the advertisement server to collect information about the customer when the response is absent; communicating a monetary amount of the transaction from the cashier-side unit to the customer-response unit; receiving customer input at the customer-response unit; and transmitting the customer input and the monetary amount to a remote service provider for authorization.