| 摘要 |
<p>Two or more user applications running on a single mobile device are capable of showing advertising materials. Usage information is collected from the user applications. The usage information tracks exposure to the advertising materials associated with each of the user application. A polling message from a server is received at the mobile device at a predetermined interval via a tracking application of the mobile device. A per-application summary of the usage information is sent from the device in response to the polling message.</p> |
