We follow up with the iPhone and Mac merging as Apple patents a dock-able iPhone. We also follow up on guard vs if. We discuss writing high-performance Swift code and the ability of developers to respond to app reviews is now live. Apple's WWDC website also include a code of conduct and info on child care services during the conference. The WWDC site also lists concurrent conferences happening nearby including Alt-Conf and CocoaConf Around the Corner. Picks: Xcode keyboard shortcuts for testing and TunnelBear.