Luckily I had no issues updating either my iPhone 4 or my iPad 2. It took a pretty long time but no hiccups.

I am really liking the iCloud photostream feature. I used to have to email iPhone photos to myself but now they appear on my iPad, Mac, or PC. iMessage is cool too. I started a text conversation with someone with iOS 5 and I continued it on my iPad. The notification feature is cool but more of a novelty.

I am just playing with customizable alerts and vibration patterns for notifications. That is a cool feature that I miss from my Android. I had an Android app that allowed me to customize vibration patterns and now I can do that natively on the iPhone. Plus, you can assign specific tones and vibrations to specific contacts. Now if only I could add custom tones to the list of text message alerts....

Anybody discovering any other cool or useful features?

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