While everyone else was trying to keep up with iPhone, we were making it more powerful, easier to use, and more indispensable than ever. Adding video calling with FaceTime, multitasking, HD video recording, a 5-megapixel camera, and the Retina display — the highest-resolution phone screen ever. All while building on the things millions of people already love about it. The result is iPhone 4.The good features of iPhone 4 are FaceTime. Video calling is a reality.See...