With iOS 7, Apple has spruced multitasking features up a little. Now, instead of just showing little icons of all the open apps, you see thumbnails of each open app, as well as its corresponding icon.
More: How to Close iOS 7 Apps and Multitask
10 Tablets with the Longest Battery Life
Smartphones with the Longest Battery Life
Best Dell and Alienware Laptops
5 Best Samsung Laptops
Windows 10 Cortana Hands-On: Voice Commands, Fresh UI