CES 2011: Lady Gaga just debuted a line of stylish camera equipment called the Polaroid Grey Line. It includes the Polaroid GL30, a camera that doubles as a photo printer and a digital picture frame. It comes out around the holidays. The signature product in the Grey Line is the Polarez GL20 which is clearly inspired by her iconic sunglasses. The Polarez is a pair of glasses with a camera and OLED screen built right in.