PRIVACY SCREEN GUARD - APPLE IPHONE 3G, 3Gs CUSTOM MADE FOR APPLE IPHONE 3G AND 3GS WILL NOT WORK WITH ANY OTHER IPHONE, EXCEPT 3G AND 3GS PROTECTS YOUR SCREEN FROM OTHERS LOOKING AT IT SCREEN LOOKS NORMAL WHEN LOOKING STRAIGHT AHEAD SCREEN LOOKS DARK AND UNREADABLE WHEN LOOKING AT AN ANGLE