Here are some of the new features in iOS 5 beta 2 beside Wi-Fi syncing:
1. Traditional alerts now have a slightly larger typeface and feature the icon of the app associated with the alert. After a few seconds, the alert becomes a line item on the list of recent notifications. (See AppleInsider for screenshots and more information.)
2. There is change in the start up process for the first boot-up. It now requires the user to input an Apple ID.
3. Web apps can now have momentum style scrolling. (Source for 2 and 3: MacStories.net)
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