Windows 8 face recognition login function

Microsoft's next-generation operating system Windows 8 certainly has a period of time to officially go public, but recently, the external exposure of the Windows 8 operating system is a bit quiet, we can always see some pull The function of the wind is unveiled. Today we have seen a pull-up feature that Microsoft Windows 8 will support, that is, face recognition login, which is revealed by a recent Windows 8 API screenshot.
Because there are already foreign experts who have found a face recognition login API interface in the Windows 8 operating system, this also means that the Windows 8 operating system may support the user's face tracking recognition and the corresponding login function, that is to say Once the user sits in front of the computer, the operating system determines whether to log in based on the detected facial information. In addition, based on this technology, in theory, for multi-user computers, different users can log in to different users before sitting in the computer. Is this function enough to pull the wind?
According to the Windows8 Italia website, Microsoft used a recognition system similar to the Xbox 360 Kinect's body-feeling peripherals in the face recognition login function of the Windows 8 operating system. In the Xbox 360 Kinect example, Microsoft has implemented the face. Identify the login to the Xbox Live service. Microsoft will now adopt this unique login method on the Windows 8 operating system, which will bypass the traditional Windows operating system login method. In addition, Lenovo has already adopted a similar recognition system on the departmental notebook computer. At that time, Lenovo used the built-in camera of the notebook to achieve this function, but if Microsoft integrated facial recognition into the Windows 8 operating system, This means that all future OEM computers will support this feature.