It's not a faith in technology. It's faith in people.
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Sharing, AirDrop and iCloud
Control Center and Notification Center
Control Center shows up in any view and any app across iOS, including the lockscreen, with a selection of the most commonly requested commands and apps to choose from.
Multitasking and Search
Before all you had were icons showing recently used apps, now you get both the icon and a preview pane showing the last state of the app itself; in fact, this preview is big enough that sometimes you can glean whatever information you need simply by looking at it rather than tapping through into the app itself, such as a date or phone number.
Search also moves in iOS 7, no longer getting its own dedicated homescreen pane but now summoned from any pane with a slight tug down on the icons.
iTunes Radio
The iTunes Store may be the top destination for digital music purchases, but not everybody wants to own their audio. Following services like Pandora and Spotify Radio, iTunes Radio aims to fill that gap with streaming, in addition to helping with new music discovery.
Apple’s new sharing dialog is a big improvement over the old system. Tap the icon and you get a page of options for what to do with files and media.
AirDrop, which we’ve seen used on OS X before. A peer-to-peer file sharing service, it works over WiFi and Bluetooth to send data like contacts, photos, videos, iTunes Radio stations, or anything else directly to a nearby iOS or OS X device.
iCloud has been backing up iOS devices for some time now, as well as collating recent images and videos into Photo Stream, but iOS 7 introduces iCloud Photo Sharing.