If that's what you do, then maybe you should prioritize a device with Corning Gorilla Glass 2. The 8S has it. It's inferior in every other way to the Lumia 820 (particularly camera, memory, and onboard storage), but it's got Gorilla Glass.
Originally Posted by independentvolume
Personally, I keep my phone in a pocket on its own because, even if the screen was made of bulletproof unobtanium, I don't want the remaining 60% of the phone's surface to be covered in scuffs and scratches. For this sort of use, I'm not sure that brand X scratch-resistant glass is really any worse than Corning Gorilla Glass 2 (TM).