The light is not very useful anyway. Source: http://xlab.berkeley.edu/connect/Portnoff%20-%20WebcamPaper.pdf http://xlab.berkeley.edu/connect/Portnoff%20-%20We

The light is not very useful anyway. Source: http://xlab.berkeley.edu/connect/Portnoff%20-%20WebcamPaper.pdf http://xlab.berkeley.edu/connect/Portnoff%20-%20WebcamPaper....