See it for yourself…
An official HP representative has made a post on their blog regarding the video above:
"Everything we do is focused on ensuring that we provide a high-quality experience for all our customers, who are ethnically diverse and live and work around the world. That’s why when issues surface, we take them seriously and work hard to understand the root causes…
We are working with our partners to learn more. The technology we use is built on standard algorithms that measure the difference in intensity of contrast between the eyes and the upper cheek and nose. We believe that the camera might have difficulty "seeing" contrast in conditions where there is insufficient foreground lighting. While we work on this, take a look here for more information on the impact of lighting on facial tracking software, and how to optimize your webcam experience: http://bit.ly/7HsZHD"