Exactly.....and now third party apps can communicate with each other. Apple didnt have to present anything mindblowing at this years WWDC, eventhough they did with Swift. But......understand whats going on here. You have the cleanest, most flawless OS, already with great apps. Now you are allowing its developers to essentially work together by building apps that talk to another developers app. Imagine what this is going to do to the iOS experience.
Essentially, this is the equivalent to iOS 2 and the creation of the app store was for me.