So with the new material used for the screen. Is in necessary for a screen protector?
"All the breakthrough technology in iPhone 4 is situated between two glossy panels of aluminosilicate glass the same type of glass used in the windshields of helicopters and high-speed trains. Chemically strengthened to be 20 times stiffer and 30 times harder than plastic, the glass is ultradurable and more scratch resistant than ever. Its also recyclable."
"All the breakthrough technology in iPhone 4 is situated between two glossy panels of aluminosilicate glass the same type of glass used in the windshields of helicopters and high-speed trains. Chemically strengthened to be 20 times stiffer and 30 times harder than plastic, the glass is ultradurable and more scratch resistant than ever. Its also recyclable."