title: iphone device token : can it be stored on the iPhone?
body: <p>I have to developp an app that uses Push Notification in a particular way, and I had a pretty tricky question  : can the device token be stored locally in the app sandbox?
  Here's the why : this app should implement a notification system that allows the user to subscribe for some particular events only, from the iphone.
  So to do so, I need to send to my database the Device Token of the iPhone at any time when the app is running, and from what I get, the device token is only avaliable when the </p>
  
  <pre><code>- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken
  </code></pre>
  
  <p>is called right?
  Or is there any way to retrieve this information later?</p>
  
  <p>Thanks.</p>