Originally Posted by xendula
^ back in the days of the resistive (?) touch screens, they were potecting my devices from the sharp stylus and my fingernail, that I used to use when there was no stylus at hand. Nowadays....maybe cat claws if you have one? My dog has jumped up on my poor kindle screens a few times and there was never a scratch, so it may be a cat thing....
There were some reports that the Nook Glowlight was easily damaged by artificial fingernails, which can be very hard.
My Kindle Touch has a scratch that appeared the first day I got it. Never figured out how it happened. So that screen needs some protection.