- Silverlight lets you put video on the web (WMV 7 -9, as well as high-definition up to 720p, W00T!)
- Silverlight lets you put audio on the web (WMA 7-9, as well as MP3)
- Silverlight is cross-platform and cross-browser; the Silverlight plug-in is RIDICULOUSLY small (especially when compared to Flash)
- Visual Studio support
- Expression Studio support
More notes on this topic to be transcribed later.