Silverlight is simply a browser plug-in that allows rendering of elements described with XAML in a web browser. Currently it supports several browsers and operating systems: Internet Explorer and Firefox on Windows, and Firefox and Safari on Mac OSX. Microsoft has been mum on the subject of Linux.
Figure 1. Silverlight runs in Internet Explorer (shown here on Windows Vista)
Figure 2. Silverlight also runs in Firefox (shown here on Windows Vista)
Figure 3. Silverlight in Safari on Mac OSX
Showing XAML-based content in a browser is not revolutionary (WPF supports this out of the box, as discussed ...