It seems the farther the technological boundaries are pushed, the more some people want to recede into the past. It happens in all markets—from automotive, to fashion, and, of course, technology. Take a look at the iPhone. Apple's current smartphone is a marvel of design and function. Its glass front and back paired with brushed stainless steel give the phone a futuristic feel even though it dropped a couple years ago. If you're one of the people who wish your iPhone resembled and worked like something you had back when you were still under your parents health insurance, take a look at the 10 coolest retro iPhone accessories available now.