| 摘要 |
An information technology system taking the form of a management console, central server, point of sale system, software running on a point of sale system and software running on a customer's mobile phone. The software on the customer's mobile phone lets a customer interact with the point of sale system, allowing the customer to view a pending economic transaction, optionally add or remove items to the transaction, and pay for the transaction using payment information stored on the mobile phone. |
