Not just a scaled down .net framework, but a scaled down cross-platform framework.

>It's been called the Flash Killer by the media. Not really exicting yet, but version 2 will be much better. Basically, you get a scaled down .Net Framework running in a browser.
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>http://msdn2.microsoft.com/en-us/silverlight/default.aspx
>
>>I downloaded it, but I'm not sure exactly what it is. Web development tools? It looks cool running in the browser.