Apple has published a new support document outlining how the new Push Notification system in iPhone OS 3.0 operates. The article states that users must open any app at least once before it can receive notifications, and when restoring from a backup, the app(s) will need to be reopened to get notifications. Notably, the article also states that when an iPod touch unit is on and has a Wi-Fi connection, notifications can be received at any time, but…
