Samsung's Tap and Take teaser campaign is finally over, and has revealed a pair of point-and-shoot cameras that add front-facing touchscreens for composing self-portraits. The 1.5-inch LCDs adorn both the ST500 and ST550, which are each based around 12.2-megapixel sensors. Instead of pressing the shutter button to capture an image, the front screens can be tapped to both focus and shoot. Haptic fe
