1. iMessage - iMessage is a texting app and it allows you to text between iOS devices. The layout of the app is very similar to the Messages app on the iPhone. You can use it send photos and contact cards (vCards). This is very useful for contacting family members.
2. Push Notification Center - Push Notification Center allows you to access all your notifications in one place. In previous versions of iOS, you would have to tap either "Close" or "View." Now, they just appear as cubes so, they don't interrupt you. In the Lock Screen, you can slide your finger across them and the app they came from opens up. To open the center, slide your finger down from the top of the screen. I like this because I have a lot of notifications.
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