No, it's alive and kicking. You might have heard about the rumors that came up after the PDC conference and Bob Muglia's interview with Mary Jo Foley. Many people flooded Twitter and other sites with speculations that Silverlight is dead for the web. Microsoft's President of the Server and Tools Division Bob Muglia just clarified the situation. "Make no mistake; we’ll continue to invest in Silverlight and enable developers to build great apps and experiences with it in the future."