Peter Vidani on the importance and difficulty of multitasking properly in iOS 4. There is no longer a system in place where – when you leave an app and return, you will by greeted with a splash-screen. iOS has taken the ‘high road’ and upon your return, you might just be in Titusville, Florida – trust me, long story – or deep down in the menu system. Probably the second, but you never know…