iPhone Digital Zoom vs. Optical Zoom

Anyone out there use their iPhone to take photos? That would be most of us. I am certain that sometimes you zoom in to capture a photo the way you like it. The iPhone camera has a specific way of using the zoom feature. I thought this article describing the difference between Digital and Optical zoom was interesting. If you use your iPhone or any other camera at all, it is a good read. Here is a little bonus article on when to use each lens on the iPhone.