An aspect of the present invention includes a protocol for conveying data during an e-commerce session with a polymorphic response, comprising initiating a session with a message from a buyer application to a broker application and a session identifier assigned by the broker application; conducting the...http://www.google.co.uk/patents/US7895079?utm_source=gb-gplus-sharePatent US7895079 - Method and device utilizing polymorphic data in e-commerce
