So many programs, sites or systems we use every day need a password to keep them secure, and remembering them all can be a nightmare – especially if you follow the wise advice of the experts and don’t make the mistake of having them all set to the same four letter word. Help may be at hand for the forgetful, however, with the announcement of a webcam that can double as a visual user recognition device by scanning faces in 3D. After all, it’s pretty hard to forget to take your face to work.