IDG Contributor Network: Do cases kill the iPhone experience?

Apple has put a lot of effort into making the iPhone one of the most elegant, beautiful devices available to consumers. But using the iPhone without a case can sometimes result in disaster, as many people have found out over the years. Scuff marks, cracked screens and scratches can all happen if you use your iPhone without any kind of protective covering.On the other hand, cases tend to completely hide or at least obscure Apple's vision of the iPhone as a device that's worth looking at as well a