IOS 7

Apple introduced ios7 as there new mobile operating system ,ios 7 as great advantages over previous ios operating systems in terms of speed,design and way it works,here are some features that is available on ios 7.
MULTITASKING:

Ios 7 users can see preview of running app,it some what look like that we used in  our android or windows operating systems,just double tapping the home button user can view preview windows of running apps,swiping the preview gesture upward will shutdown the application,ios 7 incorporates a code that takes note of users utilize certain apps and keeps those app running behind,for example :it some what like Facebook update,behind the phone.

APP AND SETTINGS:

Various apps have add style to apple iPhone such as airdrop,safari,notification center,control panel center,mail,weather and messages iTunes radio which add bit more beauty to the iTunes app store ,apple as also working on building new application for it's new operating system.
DESIGN:
Design by apple will be always up to mark,user have new way of user interface,new design of ios 7 is more simple,unique,better and beautiful,apple as made entire user interface redesigning.

Thus apple had made everything to up-to mark in ios 7, you will feel the difference when you use it and hence see it for yourself.