The Apple OS 4 Event is over, so what will we get in OS 4.0 this summer? Well first of all there’s over 100 new user features, so that’s quite a lot. But the 8 most important are Multitasking, Custom Backgrounds, Folders, Unified Inbox, iBooks, Game Center and iAd Advertising. We will tell you all about these new features after the break. » Apple OS 4.0 Event: What Will We Get In OS 4.0?