On Monday at WWDC 2014, Apple announced iOS 8
and OS X 10.10 Yosemite
. In addition, they've been showing off a number of new features for Health, Parental Control, and even for Developers.
One of the major new features that developers will be able to take advantage of in the App Store are the new App Previews. What these will allow developers to do is add small video previews of their applications