"The hardest part of being smart is having the patience to deal with the stupidity around you"
Hididly ho, surferinos!
This browser doesn't support HTML5 video with the H.264 video codec, so instead, you get the generic fall back.
You could install the IE9 Platform Preview
In reality, you should probably put a Flash or Silverlight fall back here, 'cause not everyone will install a new browser just to see my/your video!