Every tutorial I read says that when the iPhone is connected to iTunes, you go to the summary page and click on "Sync over wifi connection" .. However, when I plug in my iPhone to iTunes, I don't have that option. Yes, I have iOS 5 beta 2, and yes I have iTunes 10.5 beta 2. Wifi is turned on on my iPhone and both my MacBook and iPhone are on the same wifi network, but when I look at the summary page, these are my only options: