| 摘要 |
A system including a server and multiple mobile computing devices, such as a smartphone,, each mobile computing device including a respective screen, the multiple mobile computing devices each connectable to the server via a network, the server including a database storing content, the content deliverable to the mobile computing devices when in connection with the server via the network, the content including digital tickets, wherein each mobile computing device is configured to receive and to display a digital ticket on the respective screen, the digital ticket when displayed on the respective screen including an animated watermark or image that indicates that the digital ticket is validly available for use. Preferably the digital watermark includes a timer indicating the time available to use the digital ticket and is displayed at the top of the digital ticket. |
