Apple has accidentally revealed an iOS5 feature called called "Automatic Download."
A reader who has discovered the feature reports that when asking iTunes to check your app library for updates, iTunes' update page reveals a new feature for iOS devices. The following line has been added to the My App Updates screen:
Or if your device has Automatic Download enabled for apps, your updates will download to your device without having to sync.
The sentence quoted above if happen, would eliminate users manually re-downloading the app from the App Store, or syncing their Apple device with iTunes. Furthermore, it suggests an 'Automatic Download' setting appearing for more than just apps. Apple has been rumored to be making a push into over-the-air updates as well as some sort of wireless syncing. Rumors of AirPort Extreme and Time Capsule updates have also hinted at such a feature.
Here's the My App Update Old vs. New:
WWDC kicks off on Monday.