iOS 8 FAQ: What we know so far about Apple's next-generation mobile OS

7 Photos Macworld Staff (Macworld.com)

The focus is on system features and app improvements more than visual tweaks

Start an email on your Mac, finish it on your phone (or vice versa), thanks to Handoff.
iCloud Drive: Yep, there's a file browser coming to iOS.
You'll be able to mirror your iPhone's screen on an Apple TV without connecting to a Wi-Fi network.
Family Sharing means up to six family members will be able to share the same iTunes content (and more).
Edit a photo on your phone, and those changes will instantly propagate to your other devices.
Start surfing the Web on one device, finish the same browsing session on another.
The Messages app will let you send voice snippets as well as text.