Patent ID: 8775273

Claim:
A method comprising: communicating a user interface to a client machine, the user interface offering a plurality of items that are respectively offered for sale at a plurality of network-based transaction systems, wherein each of the plurality of items comprises information and an associated link; communicating to a third party payment server information relating to at least one item from the plurality of network-based transaction systems for storage in a shopping cart on the third party payment server; receiving a user logoff command by the client machine resulting in the client machine going offline from the network; subsequent to going offline from the network, communicating to the client machine a purchase indication for at least one item; and without further user interaction: communicating to the third party payment server the information relating to the at least one item for storage in the shopping cart on the third party payment server; receiving at the third party payment server a message from the client machine, the message authorizing the purchase of the at least one item; debiting an account associated with the user by the third party payment server; and communicating a message from the third party payment server to the client machine and the plurality of the network-based transaction systems, the message confirming the purchase.