Cam goes through thirteen of the best, less-obvious features and changes found within iOS 9's first beta version. They include subtleties like the new battery menu and some awesome big features like the ability to make use of Mac and iOS Continuity over a cellular network.
Check out this cool rundown on MacStories: http://www.macstories.net/news/wwdc-2015-interesting-tidbits-and-links/
