The iPhone's camera is becoming so good that you can arguably do without a 'real' camera these days. Packing a 8 megapixel camera, the iPhone 4S outperforms most point-and-shoot cameras, and it also kicks out some impressive 1080p video.
Unfortunately, your iPhone can't track your movements, all the while keeping you perfectly framed.
With Swivl, any iPhone can be turned into an auto-tracking camera, and it looks great...