Learn how to build an iOS 12 app before everyone else

It's that time of the year again. Apple's next big event is on Sept. 12 and in the words of The Office's Michael Scott, it's happening! 
Word on the street is the tech giant will be unveiling a new slate of iPhones, a new iteration of the Apple Watch, an iPad Pro refresh, and of course, there's the most awaited official introduction of iOS 12, the operating system which would finally bring us group FaceTime.
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