A bit off-topic, but does anybody know how that site is displaying its video? I don't have flash or moonlight installed, so it was a bit of a shock to hear my

A bit off-topic, but does anybody know how that site is displaying its video? I don't have flash or moonlight installed, so it was a bit of a shock to hear my computer actually playing a video feed. I browsed their HTML source, but I didn't see any object tags, video tags, nor anything else that would obviously play video.