A team of trail blaziers from MSN released last week the new MSN toolbar. This is the first commercial native Win32 application that uses Silverlight as its rendering engine. The chose Silverlight because of two reasons:
Try it today on http://toolbar.msn.com/Overview.aspx?loc=en-us
To the customer, the toolbar provides a simple way to be up to date on today's news. It is also enhances the search experience.
Download and Enjoy.
PS. the toolbar is compatible with Silverlight 1.0 and with Silverlight 2 beta 2 (and forward).