Do you live in US and want to see live streaming of Beijing 2008 Olympics online? If so, you should install Microsoft SilverLight plugin to watch live coverage.
The NBC Olympics website has exclusive rights to broadcast over 2200 hours of live video in US and viewers can watch the videos only SilverLight is installed on their computers.
To install SilverLight point your browser to Microsoft Website and install click on the Download/Install SilverLight button. Installation of the plugin takes few seconds as it is very light weight.