Information on the new iOS 7 system?

Hi. Just wondering does anyone know how to close apps down on the iPhone to save battery instead of leaving everything you've been on open?

These links may help you:

http://www.tuaw.com/2013/09/19/ios-7-video-tip-how-to-shut-down-running-apps/

http://www.usatoday.com/...7/2835603/

It is done with a swipe, with the new upgrade to ios7…

Basically the same way as it was in iOS 6. Double tap the Home button & slide the app card up to close it.

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