The CoreCLR provides the perfect set of CLR classes and functionality for the Web.
MSDN Magazine August 2008
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This article discusses the Project Linker tool and other techniques to create applications that target both WPF and Silverlight from a single code base.
Erwin van der Valk
MSDN Magazine August 2009
See how to get the most out of isolated storage in Silverlight to keep your applications safe.
Justin Van Patten
MSDN Magazine March 2009
Andrew Dai of the CLR team discusses the Transparency model, which creates a strong isolation boundary between privileged and unprivileged code for Silverlight apps.
MSDN Magazine October 2008
DLRConsole gives you an interactive environment for playing with dynamic languages in Silverlight.
MSDN Magazine February 2008
Silverlight 4 brings a number of important changes including new GC modes, improved startup performance, and new base class features that enable new offline scenarios. We'll walk you through the details.
Justin Van Patten, Andrew Pardoe
MSDN Magazine October 2010