Maybe this question might have been answered earlier directly or indirectly but still makes me anxious when I think about it, so thought would re-confirm this. I dont prefer to use a Screen Protector on my iPad. If I download some games other than Car Racing like say Fifa-12 or any other shooting games like Frontline Commando which requires to control the game by your thumbs on both the sides of the screen. Now while playing the game in the intensity of playing that game one tends to get a little carried away and use the thumb a little more vigourously like pressing the screen with the thumb (Of Course this is not as hard so that it will break the screen) But yes this is to control the game so in doing so is there any possibility of there being any permanent scratches or any permanent marks of my thumb on the screen being left over ! I dont intend to put a screen protector in any case ( Not required IMHO) is it ok to play games on the iPad with constant using and pressing of your thumb on the iPad screen for long durations ?