The iPhone 4 is considered Apple’s best invent in iPhones it has features like a super fast A4 CPU, a front-facing camera and five mega pixel camera on the back, a completely new ultra sleek design, and the best feature yet in any of the iPhones the Retina Display. All the latest technology in iPhone 4 is situated between two glossy panels whose glass used in the windshields of helicopters and super speed trains. It is strengthened to be hugely crack and scratch resistant. And all this is contained in a beautiful enclosure a mere 9.3 millimeters thin, making iPhone 4 the world’s thinnest smartphone. The Retina Display provides the highest screen resolution which makes the text remarkably sharp and the graphics colorful and vivid. With the A4 processor the iPhone can perform complex jobs such as multitasking, editing video, and placing FaceTime calls. All while maximizing battery life.In addition to this the camera shoots stunning HD videos and the MultiTouch is largely innovative. The iPhone 4 is said to be the most eagerly awaited of all the smartphones.