5-megapixel camera and HD video: Capture your memories with camera and HD Video: Record, edit, and share HD video right on iPhone 4!

FaceTime video calling: iPhone: 4 makes video calling a reality. See your friends while you talk to them and make phone calls like you’ve never seen before. iPhone 4 to iPhone 4 over Wi-Fi.

Retina display: It's the sharpest, most vibrant, highest-resolution phone screen ever. With four times the pixel count of the previous iPhone, images and text are amazingly crisp.

Multi-tasking: Run multiple apps at the same time and switch between them instantly. All without sacrificing performance or battery life.