IOS 7 variety of detail changes: Active clock icon, app Automatic Update

Although the biggest change in iOS 7 is the user interface, Apple's engineers have added a lot of new features, big and small, and don't know if any of the following have been found?

Depending on the app's different computational data flow consumption: In the settings, users can view the data traffic consumed by each app. Users can allow a single app to open a data network.

Apps can be updated automatically: The App Store can now automatically update the app, but users can set it up in the itunes and App store in the settings.