Advanced face-recognition systems will have other applications as well. For example, an always-on video camera may be used to scan your face every time you sit down to type. If an unauthorized person tries to use your system, your keyboard will lock up. Or recognition systems may further customize your PC experience. Your display could adjust the font size depending on where you are in the room, ... It could recognize the faces of various members of your family, and give customized information at a glance.