Gizmodo writes "Oh yes! iPhone OS 4.0 Beta 4 is out and we're tearing it apart to find out what's new so that you don't have to risk your iPhones. Here's what we've discovered so far.
The default home screen is different. Instead of all your apps being spread out when you first turn on your iPhone, now some—the clock, calculator, compass, and voice memo apps—are already sitting in a folder called "Utilities."