"We'll replace glass with sapphire crystal. A material so hard, you'll need diamonds in your pocket to leave a scratch" I got a laugh from this because the ba

"We'll replace glass with sapphire crystal. A material so hard, you'll need diamonds in your pocket to leave a scratch" I got a laugh from this because the back of my iPhone 4 had a few big scratches in it literally from carrying diamonds in my pocket (My company sells lab-grown diamonds).